| Totem | First Name | Last Name | Gender | Home Town | State | Country | Event | Age | Division | Status | Time | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N/A | Aikman | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Dwight | Callaway | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| John | Cavanaugh | M | Escondido | California | United States | April 1989 RAAM Open West | 42 | Solo | FIN | 33:36:00 | ||
| JT | Harden | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| N/A | Kofler | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Ed | Kross | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| F. Stephen | Lynch | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Alan | MacDonald | M | California | United States | April 1989 RAAM Open West | N/A | Solo | DNF | ||||
| Brock | Nyquist | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Dan | Scrivner | M | Menlo Park | California | United States | April 1989 RAAM Open West | 31 | Solo | FIN | 32:40:00 | ||
| Dwight | Sebald | M | United States | April 1989 RAAM Open West | 36 | Solo | DNF | |||||
| Jonathan | Seutter | M | Topanga | California | United States | April 1989 RAAM Open West | 31 | Solo | FIN | 41:31:00 | ||
| Rick | Stark | M | California | United States | April 1989 RAAM Open West | 31 | Solo | DNF | ||||
| Walter | Swiacki | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Glen | Tebo | M | California | United States | April 1989 RAAM Open West | 35 | Solo | DNF | ||||
| N/A | Tomage | M | United States | April 1989 RAAM Open West | N/A | Solo | DNF | |||||
| James | Trowbridge | M | El Segundo | California | United States | April 1989 RAAM Open West | 41 | Solo | FIN | 41:31:00 | ||
| Terry | Wilson | M | Indianapolis | Indiana | United States | April 1989 RAAM Open West | 40 | Solo | FIN | 45:59:00 | ||
| Marion | Fryar | M | United States | June 1989 RAAM Open West | N/A | Solo | DNF | |||||
| N/A | Mastoras | M | United States | June 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Patricia | Raychevich | F | Gardena | California | United States | June 1989 RAAM Open West | 25 | Solo | FIN | 49:14:00 | Time Limit was 51 hrs | |
| Tom | Seabourne | M | Houston | Texas | United States | June 1989 RAAM Open West | 33 | Solo | FIN | 37:07:00 | ||
| James | Barhitte | M | Vancouver | Washington | United States | October 1989 RAAM Open West | 41 | Solo | FIN | 50:56:00 | Time Limit was 51 hrs | |
| Felix | Battig | M | Switzerland | October 1989 RAAM Open West | 39 | Solo | FIN | 32:41:00 | ||||
| Les | Campbell | M | California | United States | October 1989 RAAM Open West | 44 | Solo | DNF | ||||
| Gordon | Chase | M | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Bill | Donner | M | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Kathy | Dragani | F | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Susan | France | F | United States | October 1989 RAAM Open West | 33 | Solo | DNF | |||||
| Marion | Fryar | M | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Terri | Garrison | F | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| JT | Harden | M | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Craig | Holmes | M | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| D | Holmes | M | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Ed | Levinson | M | Oakland | California | United States | October 1989 RAAM Open West | 32 | Solo | FIN | 34:00:00 | ||
| Roger | Nelson | M | Dansville | Michigan | United States | October 1989 RAAM Open West | 41 | Solo | FIN | 46:29:00 | ||
| Dwight | Sebald | M | Lafayette | Colorado | United States | October 1989 RAAM Open West | 36 | Solo | FIN | 37:09:00 | 2nd solo finish | |
| Rick | Stark | M | Lawndale | California | United States | October 1989 RAAM Open West | 31 | Solo | FIN | 36:24:00 | ||
| Laura | Stern | F | Menlo | California | United States | October 1989 RAAM Open West | 28 | Solo | FIN | 32:48:00 | ||
| Glen | Tebo | M | California | United States | October 1989 RAAM Open West | 35 | Solo | DNF | ||||
| Richard | Treese | M | Santa Barbara | California | United States | October 1989 RAAM Open West | 35 | Solo | FIN | 34:20:00 | ||
| John | Turner | M | Norwalk | California | United States | October 1989 RAAM Open West | 36 | Solo | FIN | 30:59:00 | ||
| Ted | Zimbleman | M | United States | October 1989 RAAM Open West | N/A | Solo | DNF | |||||
| Chuck | Eidenschink | M | United States | April 1990 RAAM Open West | 37 | Solo | DNF | |||||
| Craig | Holmes | M | United States | April 1990 RAAM Open West | Solo | DNF | ||||||
| Alan | MacDonald | M | California | United States | April 1990 RAAM Open West | Solo | DNF | |||||
| Larry | Sherlock | M | United States | April 1990 RAAM Open West | Solo | DNF | ||||||
| Rick | Stark | M | Lawndale | California | United States | April 1990 RAAM Open West | 32 | Solo | FIN | 40:30:00 | 2nd solo finish | |
| John | Stoneman | M | Bozeman | Montana | United States | April 1990 RAAM Open West | 27 | Solo | FIN | 36:31:00 | ||
| Walter | Swiacki | M | United States | April 1990 RAAM Open West | Solo | DNF | ||||||
| Glen | Tebo | M | Montclair | California | United States | April 1990 RAAM Open West | 36 | Solo | FIN | 47:47:00 | ||
| Phillippe | Vetterli | M | Birmendorf | Switzerland | April 1990 RAAM Open West | 37 | Solo | FIN | 33:40:00 | |||
| Beat | Wyrsch | M | Embrach | Switzerland | April 1990 RAAM Open West | 28 | Solo | FIN | 32:33:00 | |||
| James | Barhitte | M | United States | October 1990 RAAM Open West | 42 | Solo | DNF | |||||
| Ken | Bell | M | Roseville | California | United States | October 1990 RAAM Open West | 42 | Solo | FIN | 40:45:00 | ||
| Mary | Burns | F | Deland | United States | October 1990 RAAM Open West | 28 | Solo | FIN | 46:44:00 | |||
| Mark | Dawson | M | United States | October 1990 RAAM Open West | N/A | Solo | DNF | |||||
| Ted | Epstein | M | Denver | Colorado | United States | October 1990 RAAM Open West | 55 | Solo | FIN | 43:29:00 | ||
| Marion | Fryar | M | United States | October 1990 RAAM Open West | N/A | Solo | DNF | |||||
| Andrew | Herrick | M | United States | October 1990 RAAM Open West | N/A | Solo | DNF | |||||
| Stephen | Larrance | M | United States | October 1990 RAAM Open West | N/A | Solo | DNF | |||||
| Louie | Lazarakis | M | United States | October 1990 RAAM Open West | 32 | Solo | DNF | |||||
| Alan | MacDonald | M | California | United States | October 1990 RAAM Open West | N/A | Solo | DQ | ||||
| Robert | Rye | M | Laguna Beach | California | United States | October 1990 RAAM Open West | 31 | Solo | FIN | 33:29:00 | ||
| Tom | Sellick | M | United States | October 1990 RAAM Open West | N/A | Solo | DNF | |||||
| John | Stamstad | M | Madison | Wisconsin | United States | October 1990 RAAM Open West | 25 | Solo | FIN | 29:33:00 | ||
| Rick | Stark | M | California | United States | October 1990 RAAM Open West | 31 | Solo | DNF | ||||
| Gerry | Tatrai | M | Australia | October 1990 RAAM Open West | 26 | Solo | FIN | 32:25:00 | ||||
| Vance | Vaughan | M | Berkeley | California | United States | October 1990 RAAM Open West | 50 | Solo | FIN | 35:19:00 | ||
| David | Weinberg | M | United States | October 1990 RAAM Open West | 37 | Solo | DNF | |||||
| Ken | Bell | M | Roseville | California | United States | April 1991 RAAM Open West | 42 | Solo | FIN | 34:20:00 | 2nd solo finish | |
| Jim | Courtney | M | Chandler | Arizona | United States | April 1991 RAAM Open West | 31 | Solo | FIN | 38:00:00 | ||
| Loren | Godshall | M | Los Altos | California | United States | April 1991 RAAM Open West | 32 | Solo | FIN | 29:59:00 | ||
| Eric | Lemoine | M | Gresham | Oregon | United States | April 1991 RAAM Open West | 31 | Solo | FIN | 41:25:00 | ||
| Frank | Smith | M | Jackson | Mississippi | United States | April 1991 RAAM Open West | 46 | Solo | FIN | 42:08:00 | ||
| Jack | Brisley | M | United States | October 1991 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Dennis | Brown | M | United States | October 1991 Furnace Creek 508 | 45 | Solo | DNF | |||||
| Christi | Butler | F | United States | October 1991 Furnace Creek 508 | N/A | Tandem Mixed | DNF | |||||
| Chuck | Eidenschink | M | United States | October 1991 Furnace Creek 508 | 38 | Solo | FIN | 37:32:21 | ||||
| Don | Gray | M | California | United States | October 1991 Furnace Creek 508 | 51 | Solo Recumbent | FIN | 46:10:20 | Course Record; one arm | ||
| Harry | Kearney | M | United States | October 1991 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Louie | Lazarakis | M | United States | October 1991 Furnace Creek 508 | 33 | Solo | FIN | 44:52:45 | ||||
| Blythe-Anne | Leidig | F | United States | October 1991 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Mike | Meng | M | United States | October 1991 Furnace Creek 508 | N/A | Tandem Mixed | DNF | |||||
| Yoni | Nazarathy | M | Palo Alto | California | United States | October 1991 Furnace Creek 508 | 17 | Solo | FIN | 37:17:28 | Youngest Finisher: 1989 thru 2002 | |
| Jim | Pyatt | M | United States | October 1991 Furnace Creek 508 | 34 | Solo | FIN | 39:06:04 | ||||
| Laura | Stern | F | Menlo Park | California | United States | October 1991 Furnace Creek 508 | 30 | Solo | DNF | |||
| Paul | Tamm | M | United States | October 1991 Furnace Creek 508 | 47 | Solo | FIN | 34:02:52 | ||||
| Kevin | Unck | M | United States | October 1991 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Jack | Van Wye | M | United States | October 1991 Furnace Creek 508 | 41 | Solo | FIN | 34:51:56 | ||||
| David | Weinberg | M | United States | October 1991 Furnace Creek 508 | 38 | Solo | FIN | 43:13:45 | ||||
| Tom | Winstrom | M | Foster City | California | United States | October 1991 Furnace Creek 508 | 53 | Solo | FIN | 30:07:22 | Course Record: 50+ | |
| James | Barhitte | M | United States | 1992 Furnace Creek 508 | 44 | Solo | DNF | |||||
| Jack | Brisley | M | United States | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||
| James | Byrnes | M | Laramie | Wyoming | United States | 1992 Furnace Creek 508 | 24 | Solo | FIN | 41:25:53 | ||
| Tim | Clark | M | United States | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Tom | Davies | M | California | United States | 1992 Furnace Creek 508 | 48 | Tandem Men | DNF | ||||
| Tom | Davies, Jr. | M | California | United States | 1992 Furnace Creek 508 | N/A | Tandem Men | DNF | ||||
| Chuck | Eidenschink | M | United States | 1992 Furnace Creek 508 | 39 | Solo | DNF | |||||
| Les | Glennie | M | Canada | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Don | Gray | M | California | United States | 1992 Furnace Creek 508 | 52 | Solo Recumbent | DNF | ||||
| Blythe-Anne | Leidig | F | United States | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Kevin | Mickey | M | United States | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Jim | Pyatt | M | United States | 1992 Furnace Creek 508 | 35 | Solo | DNF | |||||
| Muffy | Ritz | F | Ketchum | Idaho | United States | 1992 Furnace Creek 508 | 35 | Solo | FIN | 30:54:36 | ||
| Ian | Sandor | M | United States | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||
| Gerald | Tessmer | M | Bramsche | Germany | 1992 Furnace Creek 508 | 26 | Solo | FIN | 34:55:55 | |||
| Dennis | Workman | M | United States | 1992 Furnace Creek 508 | N/A | Solo | DNF | |||||
| 3 Toed Sloth | Mike | Monroe | M | New York | New York | United States | 2008 Furnace Creek 508 | 43 | Solo | FIN | 41:05:38 | |
| Aardvark | Matt | Adams | M | United States | 1998 Furnace Creek 508 | 31 | Solo | FIN | 42:13:20 | |||
| Abalone | Jonathan | Arnow | M | United States | 1998 Furnace Creek 508 | 42 | Solo | FIN | 37:30:00 | |||
| Abalone | Jonathan | Arnow | M | Reno | Nevada | United States | 1999 Furnace Creek 508 | 43 | Solo | FIN | 35:20:33 | Tie; RQ |
| Addax | Steven | Babayan | M | Los Angeles | California | United States | 2005 Furnace Creek 508 | 31 | Two Man | FIN | 34:32:40 | |
| Addax | Michael | Beauregard | M | Los Angeles | California | United States | 2005 Furnace Creek 508 | 30 | Two Man | FIN | 34:32:40 | |
| Addax | Steven | Babayan | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 32 | Two Man | FIN | 35:05:06 | |
| Addax | Michael | Beauregard | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 31 | Two Man | FIN | 35:05:06 | |
| Addax | Steven | Babayan | M | Mountain View | California | United States | 2008 Furnace Creek 508 | 34 | Two Man | FIN | 34:18:12 | |
| Addax | Michael | Beauregard | M | Los Angeles | California | United States | 2008 Furnace Creek 508 | 34 | Two Man | FIN | 34:18:12 | |
| Addax | Steven | Babayan | M | Mountain View | California | United States | 2009 Furnace Creek 508 | 35 | Four Man | FIN | 39:23:18 | |
| Addax | Michael | Beauregard | M | Los Angeles | California | United States | 2009 Furnace Creek 508 | 35 | Four Man | FIN | 39:23:18 | |
| Addax | Lee | Heavner | M | El Segundo | California | United States | 2009 Furnace Creek 508 | 41 | Four Man | FIN | 39:23:18 | |
| Addax | Geralyn | Villaflor | F | Los Angeles | California | United States | 2009 Furnace Creek 508 | 30 | Four Man | FIN | 39:23:18 | |
| Adder | Debbie | Albers | F | Healdsburg | California | United States | 2008 Furnace Creek 508 | 45 | Solo | DNF | ||
| African Swamp Rat | Mark | Barnett | M | Temecula | California | United States | 2006 Furnace Creek 508 | 47 | Two Man | FIN | 32:23:24 | |
| African Swamp Rat | Kip | Grossman | M | Laguna Beach | California | United States | 2006 Furnace Creek 508 | 46 | Two Man | FIN | 32:23:24 | |
| African Swamp Rat | Mark | Barnett | M | Cardiff | California | United States | 2007 Furnace Creek 508 | 48 | Two Man | FIN | 28:55:10 | |
| African Swamp Rat | Kip | Grossman | M | Laguna Beach | California | United States | 2007 Furnace Creek 508 | 47 | Two Man | FIN | 28:55:10 | |
| Agouti | Thomas Andrew | Cutler | M | Palo Alto | California | United States | 2004 Furnace Creek 508 | 36 | Four Man | FIN | 36:01:52 | |
| Agouti | Bobby Dale | Gifford | M | Hayward | California | United States | 2004 Furnace Creek 508 | 46 | Four Man | FIN | 36:01:52 | |
| Agouti | Michael | Gifford | M | San Leandro | California | United States | 2004 Furnace Creek 508 | 46 | Four Man | FIN | 36:01:52 | |
| Agouti | Martin | Wensley | M | San Francisco | California | United States | 2004 Furnace Creek 508 | 47 | Four Man | FIN | 36:01:52 | |
| Agouti | Greg | Blandino | M | Pleasanton | California | United States | 2008 Furnace Creek 508 | 48 | Four Man | FIN | 28:39:19 | |
| Agouti | Michael | Gifford | M | San Leandro | California | United States | 2008 Furnace Creek 508 | 50 | Four Man | 28:39:19 | ||
| Agouti | Sascha | Messner | M | Fremont | California | United States | 2008 Furnace Creek 508 | 37 | Four Man | 28:39:19 | ||
| Agouti | Christopher | States | M | Brentwood | California | United States | 2008 Furnace Creek 508 | 47 | Four Man | 28:39:19 | ||
| Akita | Rick | Ashabranner | M | Livermore | California | United States | 2001 Furnace Creek 508 | 32 | Solo | FIN | 34:26:00 | RQ |
| Akita | Rick | Ashabranner | M | Livermore | California | United States | 2003 Furnace Creek 508 | 34 | Solo | DNF | ||
| Akita | Rick | Ashabraner | M | Mountain House | California | United States | 2005 Furnace Creek 508 | 36 | Solo | FIN | 28:30:04 | |
| Akita | Rick | Ashabranner | M | Mountain House | California | United States | 2010 Furnace Creek 508 | 40 | Solo Recumbent | FIN | ||
| Albatross | Sheherezade | Adams | F | United States | 1995 Furnace Creek 508 | 22 | Solo | DNF | ||||
| Albatross | Sheherezade | Adams | F | United States | 1996 Furnace Creek 508 | 23 | Solo | DNF | ||||
| Albatross | Sheherezade | Adams | F | United States | 1997 Furnace Creek 508 | 24 | Solo | DNF | gave it her all/time limit | |||
| Alberta Bison | Dallas | Morris | M | Calgary | Alberta | Canada | 2010 Furnace Creek 508 | 35 | Solo | FIN | ||
| Algae | Mike | Aberg | M | United States | 1998 Furnace Creek 508 | 33 | Solo | FIN | 45:27:28 | |||
| Alligator | Michael | Basgall | M | Torrance | California | United States | 2005 Furnace Creek 508 | 32 | Four Man | FIN | 29:02:00 | |
| Alligator | Kevin | Hemstreet | M | Laguna Niguel | California | United States | 2005 Furnace Creek 508 | 45 | Four Man | FIN | 29:02:00 | |
| Alligator | Joseph | Stein | M | Laguna Niguel | California | United States | 2005 Furnace Creek 508 | 45 | Four Man | FIN | 29:02:00 | |
| Alligator | Graham | Traylor | M | Los Alamitos | California | United States | 2005 Furnace Creek 508 | 42 | Four Man | FIN | 29:02:00 | |
| Alligator | Michael | Basgall | M | Torrance | California | United States | 2006 Furnace Creek 508 | 33 | Four Man | FIN | 30:18:33 | |
| Alligator | Kevin | Hemstreet | M | Laguna Niguel | California | United States | 2006 Furnace Creek 508 | 46 | Four Man | FIN | 30:18:33 | |
| Alligator | Joseph | Stein | M | Laguna Niguel | California | United States | 2006 Furnace Creek 508 | 46 | Four Man | FIN | 30:18:33 | |
| Alligator | Graham | Traylor | M | Roosmoor | California | United States | 2006 Furnace Creek 508 | 43 | Four Man | FIN | 30:18:33 | |
| Alpaca | Kristina | Reid | F | San Francisco | California | United States | 2008 Furnace Creek 508 | 27 | Two Mixed | FIN | 32:26:12 | |
| Alpaca | M. Kelly | Rogers | M | Emerald Hills | California | United States | 2008 Furnace Creek 508 | 52 | Two Mixed | FIN | 32:26:12 | |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | United States | 2005 Furnace Creek 508 | 35 | Solo | FIN | 27:49:07 | |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | United States | 2006 Furnace Creek 508 | 36 | Solo | FIN | 28:23:21 | |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | United States | 2007 Furnace Creek 508 | 37 | Solo | FIN | 27:32:30 | |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | United States | 2008 Furnace Creek 508 | 38 | Solo | FIN | 27:28:01 | Set a new personal record |
| Alpine Ibex | Michael | Emde | M | Spokane | Washington | United States | 2009 Furnace Creek 508 | 39 | Solo | FIN | 29:47:34 | |
| American Eagle | Paul | Bonds | M | Camarillo | California | United States | 2000 Furnace Creek 508 | 51 | Solo | FIN | 38:49:02 | |
| American Eagle | Paul | Bonds | M | Camarillo | California | United States | 2001 Furnace Creek 508 | 52 | Solo | DNF | mechanical | |
| American Eagle | Paul | Bonds | M | Camarillo | California | United States | 2002 Furnace Creek 508 | 53 | Solo | DNF | ||
| American Greyhound | John | Foote | M | Troy | Ohio | United States | 2007 Furnace Creek 508 | 50 | Solo Recumbent | DNF | ||
| American Kestrel | Brian | Ecker | M | Bellingham | Washington | United States | 2009 Furnace Creek 508 | 37 | Solo | FIN | 33:14:06 | |
| Amoeba | Rick | Anderson | M | United States | 1995 Furnace Creek 508 | 42 | Solo | DNF | ||||
| Amoeba | Rick | Anderson | M | United States | 1996 Furnace Creek 508 | 43 | Solo | FIN | 33:42:37 | 2: one solo, one team | ||
| Amoeba | Rick | Anderson | M | United States | 1997 Furnace Creek 508 | 44 | Solo | DNF | stomach | |||
| Amoeba / Abalone | Rick | Anderson | M | Woodside | California | United States | 2003 Furnace Creek 508 | 50 | Two Man | DNF | Standard bike, use of both legs. Recumbent Trike, use of one leg | |
| Amoeba / Abalone | Jonathan | Arnow | M | Reno | Nevada | United States | 2003 Furnace Creek 508 | 47 | Two Man | DNF | Standard bike, use of both legs. Recumbent Trike, use of one leg | |
| Andean Condor | Juan | Craveri | M | Buenos Aires | Argentina | 2010 Furnace Creek 508 | 42 | Solo | FIN | |||
| Anteater | Rick | Adolf | M | Sunnyvale | California | United States | 1992 Furnace Creek 508 | 33 | Solo | FIN | 35:23:33 | |
| Anteater | Rick | Adolf | M | United States | 1993 Furnace Creek 508 | 34 | Solo | DNF | ||||
| Anteater | Rick | Adolf | M | United States | 1994 Furnace Creek 508 | 35 | Solo | FIN | 38:12:03 | 2nd solo finish | ||
| Anteater | Rick | Adolf | M | United States | 1995 Furnace Creek 508 | 36 | Solo | FIN | 34:01:35 | 3rd Solo finish | ||
| Antelope | Bill | Albers | M | Flagstaff | Arizona | United States | October 1989 RAAM Open West | 22 | Solo | FIN | 37:00:00 | |
| Antelope | Bill | Albers | M | United States | 1993 Furnace Creek 508 | 26 | Solo | DNF | ||||
| Antelope | Bill | Albers | M | United States | 1994 Furnace Creek 508 | 27 | Solo | DNF | ||||
| Antelope | Bill | Albers | M | United States | 1995 Furnace Creek 508 | 28 | Solo | FIN | 35:15:11 | 2nd solo finish | ||
| Apopyllus now | Peter | Dowhan | M | Acton | California | United States | 2004 Furnace Creek 508 | 52 | Two Man | DNF | ||
| Apopyllus now | Chris | Haddakin | M | Hemet | California | United States | 2004 Furnace Creek 508 | 38 | Two Man | DNF | ||
| Arab Horse | David | Harper | M | Clermont | Florida | United States | 2006 Furnace Creek 508 | 43 | Solo | DNF | ||
| Arab Horse | David | Harper | M | Clermont | Florida | United States | 2007 Furnace Creek 508 | 44 | Solo | DNF | ||
| Archaeopteryx | Emily | O'Brien | F | Somermille | Maine | United States | 2005 Furnace Creek 508 | 23 | Solo Fixed Gear | FIN | 44:24:27 | |
| Archaeopteryx | Emily | O'Brien | F | Medford | Maine | United States | 2006 Furnace Creek 508 | 24 | Solo Fixed Gear | 47:23:23 | RAAM Qualified | |
| Armadillo | Steve | Horne | M | San Antonio | Texas | United States | 1993 Furnace Creek 508 | 41 | Four Man | FIN | 25:28:55 | |
| Armadillo | Will | Klein | M | San Antonio | Texas | United States | 1993 Furnace Creek 508 | 31 | Four Man | FIN | 25:28:55 | |
| Armadillo | Ric | Ramos | M | San Antonio | Texas | United States | 1993 Furnace Creek 508 | 28 | Four Man | FIN | 25:28:55 | |
| Armadillo | George | Thomas | M | Texas | United States | 1993 Furnace Creek 508 | 30 | Four Man | FIN | 25:28:55 | ||
| Armadillo | Steve | Horne | M | San Antonio | Texas | United States | 1994 Furnace Creek 508 | 42 | Four Man | FIN | 24:43:00 | 2nd team finish |
| Armadillo | Will | Klein | M | San Antonio | Texas | United States | 1994 Furnace Creek 508 | 32 | Four Man | FIN | 24:43:00 | 2nd team finish |
| Armadillo | Michael | Olstad | M | San Marcos | Texas | United States | 1994 Furnace Creek 508 | 46 | Four Man | FIN | 24:43:00 | 2nd team finish |
| Armadillo | Ric | Ramos | M | San Antonio | Texas | United States | 1994 Furnace Creek 508 | 29 | Four Man | FIN | 24:43:00 | 2nd team finish |
| Armadillo | Stuart | Green | M | Austin | Texas | United States | 1995 Furnace Creek 508 | 32 | Four Man | FIN | 22:32:05 | 3rd Team Finish |
| Armadillo | Steve | Horne | M | San Antonio | Texas | United States | 1995 Furnace Creek 508 | 43 | Four Man | FIN | 22:32:05 | 3rd Team Finish |
| Armadillo | Will | Klein | M | San Antonio | Texas | United States | 1995 Furnace Creek 508 | 33 | Four Man | FIN | 22:32:05 | 3rd Team Finish |
| Armadillo | Michael | Olstad | M | San Marcos | Texas | United States | 1995 Furnace Creek 508 | 47 | Four Man | FIN | 22:32:05 | 3rd Team Finish |
| Armadillo | Bret | Crosby | M | Dallas | Texas | United States | 2000 Furnace Creek 508 | 28 | Four Man | FIN | 23:39:40 | |
| Armadillo | Stuart | Green | M | Austin | Texas | United States | 2000 Furnace Creek 508 | 37 | Four Man | FIN | 23:39:40 | |
| Armadillo | Will | Klein | M | San Antonio | Texas | United States | 2000 Furnace Creek 508 | N/A | Four Man | FIN | 23:39:40 | |
| Armadillo | Michael | Olstad | M | San Marcos | Texas | United States | 2000 Furnace Creek 508 | 52 | Four Man | FIN | 23:39:40 | |
| Armadillo | Tom | Bain | M | San Antonio | Texas | United States | 2001 Furnace Creek 508 | 49 | Four Man | FIN | 23:09:00 | |
| Armadillo | Michael | Olstad | M | San Marcos | Texas | United States | 2001 Furnace Creek 508 | 53 | Four Man | FIN | 23:09:00 | |
| Armadillo | Phil | Sladek | M | San Marcos | Texas | United States | 2001 Furnace Creek 508 | 49 | Four Man | FIN | 23:09:00 | |
| Armadillo | Dave | Thorton | M | Arlington | Texas | United States | 2001 Furnace Creek 508 | 54 | Four Man | FIN | 23:09:00 | |
| Arroyo Southwestern Toad | K. Eric | Adair | M | Newhall | California | United States | 2004 Furnace Creek 508 | 42 | Solo | DNF | ||
| Asses | Antoinette | Addison | F | California | United States | October 1991 Furnace Creek 508 | 35 | Tandem Mixed | DNF | |||
| Asses | Sean | Addison | M | California | United States | October 1991 Furnace Creek 508 | 29 | Tandem Mixed | DNF | |||
| Asses | Antoinette | Addison | F | California | United States | 1998 Furnace Creek 508 | 42 | Tandem Mixed | FIN | 38:44:47 | ||
| Asses | Sean | Addison | M | California | United States | 1998 Furnace Creek 508 | 36 | Tandem Mixed | FIN | 38:44:47 | ||
| Athenian Rottweiler | Robyn | Benincasa | F | Cardiff | California | United States | 2008 Furnace Creek 508 | 40 | Solo | FIN | 33:25:06 | |
| Auk | Brad | Raddcliffe | M | Tigard | Oregon | United States | 2003 Furnace Creek 508 | 18 | Two Man | FIN | 29:17:13 | Father - Son team |
| Auk | Randy M | Raddcliffe | M | Tigard | Oregon | United States | 2003 Furnace Creek 508 | 45 | Two Man | FIN | 29:17:13 | Father - Son team |
| Avocet | Donald | Kellum | M | Phoeniz | Arizona | United States | 2002 Furnace Creek 508 | 33 | Two Man | FIN | 34:53:52 | |
| Avocet | Don | Waagen | M | Tucson | Arizona | United States | 2002 Furnace Creek 508 | 42 | Two Man | FIN | 34:53:52 | |
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | United States | 2007 Furnace Creek 508 | 19 | Solo | DNF | ||
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | United States | 2008 Furnace Creek 508 | 20 | Solo | FIN | 43:17:07 | |
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | United States | 2009 Furnace Creek 508 | 21 | Solo Fixed Gear | DNF | ||
| Aye-Aye | Deanna | Adams | F | Prescott | Arizona | United States | 2010 Furnace Creek 508 | 22 | Solo Fixed Gear | FIN | ||
| Babbler Bird | Dennis | Brown | M | Lake Forest | California | United States | 2006 Furnace Creek 508 | 60 | Solo | DNF | ||
| Baboons | K. Eric | Adair | M | Newhall | California | United States | 2005 Furnace Creek 508 | 43 | Four Man | FIN | 34:27:54 | |
| Baboons | Thomas | McHenry | M | Pasadena | California | United States | 2005 Furnace Creek 508 | 50 | Four Man | FIN | 34:27:54 | |
| Baboons | Joseph | Padula | M | S. Pasadena | California | United States | 2005 Furnace Creek 508 | 36 | Four Man | FIN | 34:27:54 | |
| Baboons | William | Pinney | M | La Canada | California | United States | 2005 Furnace Creek 508 | 53 | Four Man | FIN | 34:27:54 | |
| Baboons | Bill | Banks | M | So Pasadena | California | United States | 2006 Furnace Creek 508 | 48 | Four Man | DNF | ||
| Baboons | Thomas | McHenry | M | Pasadena | California | United States | 2006 Furnace Creek 508 | 52 | Four Man | DNF | ||
| Baboons | Joseph | Padula | M | So Pasadena | California | United States | 2006 Furnace Creek 508 | 37 | Four Man | DNF | ||
| Baboons | William | Pinney | M | La Canada | California | United States | 2006 Furnace Creek 508 | 54 | Four Man | DNF | ||
| Bad Dogg | Mark | Flores | M | San Dimas | California | United States | 2005 Furnace Creek 508 | 37 | Solo | FIN | 30:20:35 | |
| Badger | Stephanie | Barry | F | United States | 1994 Furnace Creek 508 | 28 | Solo | FIN | 45:32:18 | |||
| Bald Eagle | Bill | Ellis | M | Rio Nido | California | United States | 2002 Furnace Creek 508 | 44 | Solo | FIN | 35:59:03 | New Qual. |
| Bald Eagle | Bill | Ellis | M | Novato | California | United States | 2008 Furnace Creek 508 | 50 | Solo | FIN | 35:20:03 | |
| Banana Slug | Ron | Bobb | M | Watsonville | California | United States | 2000 Furnace Creek 508 | 55 | Solo Recumbent | FIN | ||
| Bandicoot | Jeanie | Barnett | F | Martinez | California | United States | 1999 Furnace Creek 508 | 42 | Solo | DNF | TS3 - "low altitude sickness" | |
| Bandicoot | Jeanie | Barnett | F | Martinez | California | United States | 2000 Furnace Creek 508 | 43 | Solo | FIN | 39:08:50 | |
| Barnacle | Darrell | Bowles | M | Phoenix | California | United States | April 1989 RAAM Open West | 29 | Solo | FIN | 33:51:00 | |
| Barnacle | Darrell | Bowles | M | Mesa | Arizona | United States | 1999 Furnace Creek 508 | 40 | Solo | FIN | 34:57:29 | |
| Barracuda | Jim | Blauer | M | United States | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 28:25:38 | |||
| Barracuda | Jeffrey | Davis | M | United States | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 28:25:38 | |||
| Barracuda | Doug | Kipperman | M | California | United States | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 28:25:38 | ||
| Barracuda | Wayne | Westling | M | United States | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 28:25:38 | |||
| Barracuda | Jim | Blauer | M | United States | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 26:36:42 | 2nd team finish | ||
| Barracuda | Jeffrey | Davis | M | United States | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 26:36:42 | 2nd team finish | ||
| Barracuda | Doug | Kipperman | M | California | United States | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 26:36:42 | 2nd team finish | |
| Barracuda | Mick | McLeod | M | United States | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 26:36:42 | 2nd team finish | ||
| Barracuda | Jim | Blauer | M | United States | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 26:34:00 | 3rd Team Finish | ||
| Barracuda | Jeffrey | Davis | M | United States | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 26:34:00 | 3rd Team Finish | ||
| Barracuda | Doug | Kipperman | M | California | United States | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 26:34:00 | 3rd Team Finish | |
| Barracuda | Uwe | Koll | M | Germany | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 26:34:00 | 3rd Team Finish | ||
| Basenji | Bernie | Barge | M | Paso Robles | California | United States | 2000 Furnace Creek 508 | 39 | Four Man | FIN | 27:51:38 | |
| Basenji | John | Barlow | M | Templeton | California | United States | 2000 Furnace Creek 508 | 46 | Four Man | FIN | 27:51:38 | |
| Basenji | David | Nakai | M | Fallbrook | California | United States | 2000 Furnace Creek 508 | 44 | Four Man | FIN | 27:51:38 | |
| Basenji | Shawn | Varner | M | Paso Robles | California | United States | 2000 Furnace Creek 508 | 31 | Four Man | FIN | 27:51:38 | |
| Basenji | Bernie | Barge | M | San Miguel | California | United States | 2003 Furnace Creek 508 | 42 | Solo | DNF | ||
| Basenji | Bernie | Barge | M | San Miguel | California | United States | 2004 Furnace Creek 508 | 43 | Two Man | FIN | 34:37:00 | COURSE RECORD |
| Basenji | David | Nakai | M | Fallbrook | California | United States | 2004 Furnace Creek 508 | 48 | Two Man | FIN | 34:37:00 | COURSE RECORD |
| Basenji | Bernie | Barge | M | San Miguel | California | United States | 2005 Furnace Creek 508 | 44 | Solo | DNF | ||
| Basenji | Lisa | Antonino | F | Belmont | California | United States | 2007 Furnace Creek 508 | 47 | Two Tandem | FIN | 35:11:36 | |
| Basenji | Bernie | Barge | M | San Miguel | California | United States | 2007 Furnace Creek 508 | 47 | Two Tandem | FIN | 35:11:36 | |
| Basenji | Brenda | Barnell | F | Dallas | Texas | United States | 2007 Furnace Creek 508 | 42 | Two Tandem | FIN | 35:11:36 | |
| Basenji | Tim | Skipper | M | Castaic | California | United States | 2007 Furnace Creek 508 | 50 | Two Tandem | FIN | 35:11:36 | |
| Bat | Beverly | Anderson-Abbs | F | United States | 1995 Furnace Creek 508 | 30 | Four Woman | FIN | 27:31:10 | Course Record: Open Format | ||
| Bat | Lynnette | Ross | F | United States | 1995 Furnace Creek 508 | N/A | Four Woman | FIN | 27:31:10 | Course Record: Open Format | ||
| Bat | Marlee | Sondgeroth | F | Arizona | United States | 1995 Furnace Creek 508 | 33 | Four Woman | FIN | 27:31:10 | Course Record: Open Format | |
| Bat | Theresa | Whalen | F | Carlsbad | California | United States | 1995 Furnace Creek 508 | N/A | Four Woman | FIN | 27:31:10 | Course Record: Open Format |
| Batula | Sean | Cuddihy | M | Long Beach | California | United States | 2005 Furnace Creek 508 | 36 | Two Man | FIN | 35:01:20 | |
| Batula | Barnes | Steven | M | Rimforest | California | United States | 2005 Furnace Creek 508 | 48 | Two Man | FIN | 35:01:20 | |
| Bear | Gary | Baierl | M | Los Angles | California | United States | 2000 Furnace Creek 508 | 33 | Solo | FIN | 41:44:44 | |
| Bear | Gary | Baierl | M | Poway | California | United States | 2006 Furnace Creek 508 | 39 | Solo | FIN | 37:05:56 | |
| Bear | Gary | Baierl | M | Lake Forest | California | United States | 2007 Furnace Creek 508 | 40 | Solo | FIN | 35:18:05 | |
| Bear | Gary | Baierl | M | Lake Forest | California | United States | 2009 Furnace Creek 508 | 42 | Solo | FIN | 40:24:12 | |
| Bear | Gary | Baierl | M | Lake Forest | California | United States | 2010 Furnace Creek 508 | 43 | Solo | FIN | ||
| Beaver | Steve | Born | M | United States | 1994 Furnace Creek 508 | 35 | Solo | FIN | 31:09:22 | |||
| Beaver | Steve | Born | M | Ketchum | Idaho | United States | 1999 Furnace Creek 508 | 40 | Solo | FIN | 30:57:41 | |
| Beaver | Steve | Born | M | Whitefish | Montana | United States | 2002 Furnace Creek 508 | 43 | Solo | FIN | 40:16:34 | Double 508=82:16:34 |
| Bees | Les | Campbell | M | California | United States | 1993 Furnace Creek 508 | 48 | Four Man | FIN | 29:15:14 | ||
| Bees | Herb | Fitzpatrick | M | California | United States | 1993 Furnace Creek 508 | 37 | Four Man | FIN | 29:15:14 | ||
| Bees | Randal | Mayer | M | California | United States | 1993 Furnace Creek 508 | 33 | Four Man | FIN | 29:15:14 | ||
| Bees | Chris | Simmons | M | California | United States | 1993 Furnace Creek 508 | 23 | Four Man | FIN | 29:15:14 | ||
| Beetle | Barclay | Brown | M | Alpharetta | Georgia | United States | 1999 Furnace Creek 508 | 41 | Solo Recumbent | DNF | TS5 - overheated | |
| Beetle | Barclay | Brown | M | Martinez | California | United States | 2000 Furnace Creek 508 | 43 | Solo Recumbent | FIN | 40:49:31 | Established a new course record |
| Beetle | Barclay | Brown | M | Carlsbad | California | United States | 2002 Furnace Creek 508 | 44 | Solo | FIN | 45:54:25 | |
| Beluga | Sam | Baugh | M | Clinton | Missouri | United States | 2002 Furnace Creek 508 | 44 | Solo | FIN | 36:06:55 | New Qual. |
| Beluga | Sam | Baugh | M | Clinton | Missouri | United States | 2003 Furnace Creek 508 | 45 | Solo | FIN | 31:53:22 | |
| Betta Fish | Mary | Betts | F | Surrey | British Columbia | Canada | 2009 Furnace Creek 508 | 51 | Solo | DNF | ||
| Bighorn | Ken | Bell | M | Roseville | California | United States | 1993 Furnace Creek 508 | 45 | Tandem Mixed | FIN | 37:34:05 | 3rd Solo Finish |
| Bighorn | Sue | Doss | F | Foresthill | California | United States | 1993 Furnace Creek 508 | 32 | Tandem Mixed | FIN | 37:34:05 | 3rd Solo Finish |
| Bilby | Bob | Beede | M | Arcata | California | United States | 2004 Furnace Creek 508 | 51 | Solo | FIN | 41:59:07 | |
| Bison | Gregory W. | Giltner | M | United States | 1997 Furnace Creek 508 | 26 | Four Man | DNF | ||||
| Bison | Mike | Marotta | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | N/A | Four Man | DNF | ||
| Bison | Kerry | Ryan | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | 38 | Four Man | DNF | ||
| Bison | Mike | Wracher | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | 35 | Four Man | DNF | ||
| Bison | Gregory W. | Giltner | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 27 | Four Man | FIN | 24:17:40 | 2nd team finish |
| Bison | Mike | Marotta | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | N/A | Four Man | FIN | 24:17:40 | 2nd team finish |
| Bison | Kerry | Ryan | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 39 | Four Man | FIN | 24:17:40 | 2nd team finish |
| Bison | Pat | Tafoya | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 39 | Four Man | FIN | 24:17:40 | 2nd team finish |
| Bison | Norm | Hoffman | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 58 | Four Man | FIN | 23:26:30 | |
| Bison | Ron | Jones | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 39 | Four Man | FIN | 23:26:30 | |
| Bison | Kerry | Ryan | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 40 | Four Man | FIN | 23:26:30 | |
| Bison | Mike | Wracher | M | Santa Barbara | California | United States | 1999 Furnace Creek 508 | 37 | Four Man | FIN | 23:26:30 | |
| Bison | Chris | Hahn | M | Santa Barbara | California | United States | 2003 Furnace Creek 508 | 40 | Four Man | FIN | 23:46:40 | |
| Bison | Kerry | Ryan | M | Bakersfield | California | United States | 2003 Furnace Creek 508 | 44 | Four Man | FIN | 23:46:40 | |
| Bison | Pat | Tafoya | M | Redwood City | California | United States | 2003 Furnace Creek 508 | 44 | Four Man | FIN | 23:46:40 | |
| Bison | Mike | Wracher | M | Santa Barbara | California | United States | 2003 Furnace Creek 508 | 41 | Four Man | FIN | 23:46:40 | |
| Black Angus Cow | Scott | Kollins | M | Durham | North Carolina | United States | 2008 Furnace Creek 508 | 39 | Two Man | FIN | 30:22:36 | |
| Black Angus Cow | Keith | Weitz | M | Durham | North Carolina | United States | 2008 Furnace Creek 508 | 40 | Two Man | FIN | 30:22:36 | |
| Black Angus Cow | Scott | Kollins | M | Durham | North Carolina | United States | 2009 Furnace Creek 508 | 40 | Two Man | DNF | ||
| Black Angus Cow | Keith | Weitz | M | Durham | North Carolina | United States | 2009 Furnace Creek 508 | 40 | Two Man | DNF | ||
| Black Bear | Ed | Kross | M | Veteran | Maine | United States | 2003 Furnace Creek 508 | 44 | Solo | FIN | 35:32:17 | |
| Black Foot Ferret | Alex | McManigill | M | Palo Alto | California | United States | 2006 Furnace Creek 508 | 37 | Solo | DNF | ||
| Black Panther | Donna | Nice | F | San Jose | California | United States | 2007 Furnace Creek 508 | 38 | Two Mixed | FIN | 32:58:57 | |
| Black Panther | Michael | Pyle | M | San Jose | California | United States | 2007 Furnace Creek 508 | 40 | Two Mixed | FIN | 32:58:57 | |
| Black Panther | Donna | Nice | F | San Jose | California | United States | 2009 Furnace Creek 508 | 41 | Solo | DNF | ||
| Black Sheep | Daniel | Jensen | M | Sioux Falls | South Dakota | United States | 2010 Furnace Creek 508 | 61 | Solo | FIN | ||
| Black Widows | Marvis | Friesen | F | Bakersfield | California | United States | 2001 Furnace Creek 508 | 54 | Four Woman | FIN | 30:21:00 | course record |
| Black Widows | Judy | Reed | F | Bakersfield | California | United States | 2001 Furnace Creek 508 | 58 | Four Woman | FIN | 30:21:00 | course record |
| Black Widows | Vickie | Rigby | F | Bakersfield | California | United States | 2001 Furnace Creek 508 | 50 | Four Woman | FIN | 30:21:00 | course record |
| Black Widows | Joanne | Rosenthal | F | Bakersfield | California | United States | 2001 Furnace Creek 508 | 43 | Four Woman | FIN | 30:21:00 | course record |
| Black-Capped Chickadee | Todd | Baum | M | Fayetteville | New York | United States | 2007 Furnace Creek 508 | 49 | Solo | DNF | ||
| Blackbird | Jack | Bochsler | M | San Diego | California | United States | 2003 Furnace Creek 508 | 43 | Solo | FIN | 38:53:52 | |
| Blandy Dragons | Blake | Bader | M | Turlock | California | United States | 2006 Furnace Creek 508 | 45 | Tandem Mixed | FIN | 47:22:02 | |
| Blandy Dragons | Sandy | Mohr-Bader | F | Turlock | California | United States | 2006 Furnace Creek 508 | 41 | Tandem Mixed | FIN | 47:22:02 | |
| Bloodhound | Paul | Harris | M | Westlake Village | California | United States | 2009 Furnace Creek 508 | 42 | Four Man | FIN | 28:59:29 | |
| Bloodhound | Marcus | McKinnen | M | Thousand Oaks | California | United States | 2009 Furnace Creek 508 | 23 | Four Man | FIN | 28:59:29 | |
| Bloodhound | Kurt | Pickle | M | Santa Rosa | California | United States | 2009 Furnace Creek 508 | 39 | Four Man | FIN | 28:59:29 | |
| Bloodhound | Chad | Smith | M | Alamo | California | United States | 2009 Furnace Creek 508 | 39 | Four Man | FIN | 28:59:29 | |
| Bloodhound | Paul | Harris | M | Westlake Village | California | United States | 2010 Furnace Creek 508 | 43 | Four Man | FIN | ||
| Bloodhound | Marcus | McKinnen | M | Thousand Oaks | California | United States | 2010 Furnace Creek 508 | 24 | Four Man | FIN | ||
| Bloodhound | Kurt | Pickle | M | Santa Rosa | California | United States | 2010 Furnace Creek 508 | 40 | Four Man | FIN | ||
| Bloodhound | Chad | Smith | M | Alamo | California | United States | 2010 Furnace Creek 508 | 40 | Four Man | FIN | ||
| Blowfish | Andrew | Bohannon | M | United States | 1995 Furnace Creek 508 | 33 | Solo | FIN | 31:50:30 | |||
| Blowfish | Andrew | Bohannon | M | California | United States | 1997 Furnace Creek 508 | 35 | Solo | FIN | 32:40:30 | 2nd solo finish | |
| Blowfish | Andrew | Bohannon | M | Suunyvale | California | United States | 2000 Furnace Creek 508 | 38 | Solo | FIN | 31:17:57 | |
| Blowfish | Andrew | Bohannon | M | Sunnyvale | California | United States | 2003 Furnace Creek 508 | 41 | Solo | FIN | 29:19:18 | |
| Blowfish | Andrew | Bohannon | M | Sunnyvale | California | United States | 2005 Furnace Creek 508 | 44 | Solo | FIN | 28:05:03 | |
| Blue Cookie Monster | Bruce D. | Adams, Jr. | M | French Camp | California | United States | 2007 Furnace Creek 508 | 60 | Solo | DNF | ||
| Blue Dog | John | Jurczynski | M | Holderness | New Hampshire | United States | 2003 Furnace Creek 508 | 46 | Solo | FIN | 44:59:55 | |
| Blue Dog | John | Jurczynski | M | Holderness | New Hampshire | United States | 2006 Furnace Creek 508 | 49 | Solo | FIN | 35:11:24 | |
| Blue Footed Booby | Megan | Dean | F | Los Angeles | California | United States | 2008 Furnace Creek 508 | 24 | Four Woman Fixed Gear | FIN | 32:28:05 | |
| Blue Footed Booby | Jennifer | Greenberg | F | Los Angeles | California | United States | 2008 Furnace Creek 508 | 23 | Four Woman Fixed Gear | FIN | 32:28:05 | |
| Blue Footed Booby | Jay | Nadeau | F | Los Angeles | California | United States | 2008 Furnace Creek 508 | 37 | Four Woman Fixed Gear | FIN | 32:28:05 | |
| Blue Footed Booby | Beatriz | Rodriguez | F | Los Angeles | California | United States | 2008 Furnace Creek 508 | 21 | Four Woman Fixed Gear | FIN | 32:28:05 | |
| Blue Fox | Andreas | Boesch | M | Bern | Switzerland | 2002 Furnace Creek 508 | 32 | Solo | FIN | 31:42:54 | Pre. Qual. | |
| Blue Frog | Patrice | Pellerin | M | Lachine | Quebec | Canada | 2009 Furnace Creek 508 | 50 | Solo | FIN | 40:20:45 | |
| Blue Frog | Christian | Godin | M | Rosemere | Quebec | Canada | 2010 Furnace Creek 508 | 52 | Four Man | FIN | ||
| Blue Frog | Patrice | Pellerin | M | Lachine | Quebec | Canada | 2010 Furnace Creek 508 | 51 | Four Man | FIN | ||
| Blue Frog | Jonathan | Suzuki | M | Vancouver | British Columbia | Canada | 2010 Furnace Creek 508 | 41 | Four Man | FIN | ||
| Blue Frog | Jean-Guy | Violette | M | Fredericton | New Brunswick | Canada | 2010 Furnace Creek 508 | 54 | Four Man | FIN | ||
| Blue Morpho Butterf | Annie | Ellis | F | Mill Valley | California | United States | 2002 Furnace Creek 508 | 24 | Solo | DNF | ||
| Blue Whale | Raghu | Belur | M | Los Altos Hills | California | United States | 2009 Furnace Creek 508 | 42 | Four Man | FIN | 39:55:16 | |
| Blue Whale | Chris | Eisenbarth | M | El Granada | California | United States | 2009 Furnace Creek 508 | 53 | Four Man | FIN | 39:55:16 | |
| Blue Whale | Kevin | Fitzpatrick | M | Alameda | California | United States | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 39:55:16 | |
| Blue Whale | Don | Turner | M | Mill Valley | California | United States | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 39:55:16 | |
| Blue Whale | Chris | Eisenbarth | M | El Granada | California | United States | 2010 Furnace Creek 508 | 54 | Four Man | FIN | ||
| Blue Whale | Kevin | Fitzpatrick | M | Alameda | California | United States | 2010 Furnace Creek 508 | 49 | Four Man | FIN | ||
| Blue Whale | Alex | Plumb | M | Alameda | California | United States | 2010 Furnace Creek 508 | 52 | Four Man | FIN | ||
| Blue Whale | Don | Turner | M | Mill Valley | California | United States | 2010 Furnace Creek 508 | 49 | Four Man | FIN | ||
| Bluebird | John T. | Clare | M | Long Beach | California | United States | 2002 Furnace Creek 508 | 61 | Four Man | FIN | 29:35:41 | |
| Bluebird | Tim | Hegarty | M | Chandler | Arizona | United States | 2002 Furnace Creek 508 | 47 | Four Man | FIN | 29:35:41 | |
| Bluebird | Robert | Lewis | M | Phoenix | Arizona | United States | 2002 Furnace Creek 508 | 57 | Four Man | FIN | 29:35:41 | |
| Bluebird | Brad | Wingate | M | Tempe | Arizona | United States | 2002 Furnace Creek 508 | 41 | Four Man | FIN | 29:35:41 | |
| Bluejay | Jeff | Born | M | California | United States | October 1990 RAAM Open West | 36 | Solo | DNF | |||
| Bluejay | Jeff | Born | M | California | United States | October 1991 Furnace Creek 508 | 37 | Solo | FIN | 32:49:55 | ||
| Bluejay | Jeff | Born | M | California | United States | 1993 Furnace Creek 508 | 39 | Solo | DNF | |||
| Bluejay | Jeff | Born | M | California | United States | 1996 Furnace Creek 508 | 42 | Solo | DNF | |||
| Bluejay | Jeff | Born | M | Kenwood | California | United States | 2005 Furnace Creek 508 | 51 | Solo | DNF | ||
| Boar | Barley | Forsman | M | San Rafael | California | United States | 2004 Furnace Creek 508 | 33 | Solo Fixed Gear | FIN | 38:24:00 | |
| Bobcat | Robert | Babbitt | M | United States | 1993 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Bobolink | Bobbi | Fisher | F | Burbank | California | United States | 2008 Furnace Creek 508 | 60 | Solo | DNF | ||
| Bobolink | Bobbi | Fisher | F | Chengdu | China | 2009 Furnace Creek 508 | 61 | Solo | DNF | |||
| Bobolink | Bobbi | Fisher | F | Chengdu | China | 2010 Furnace Creek 508 | 62 | Solo | FIN | |||
| BoneDog | David | Fischer | M | Santa Barbara | California | United States | 2007 Furnace Creek 508 | 45 | Two Man | FIN | 28:25:27 | |
| BoneDog | Steve | LaChaine | M | Atascadero | California | United States | 2007 Furnace Creek 508 | 40 | Two Man | FIN | 28:25:27 | |
| BoneDog | Steve | LaChaine | M | Atascadero | California | United States | 2008 Furnace Creek 508 | 41 | Two Man | FIN | 28:22:02 | |
| BoneDog | Mike | Lewis | M | Paso Robles | California | United States | 2008 Furnace Creek 508 | 50 | Two Man | FIN | 28:22:02 | |
| BoneDog | Steve | LaChaine | M | Atascadero | California | United States | 2009 Furnace Creek 508 | 42 | Solo | DNF | ||
| BoneDog | Mike | Lewis | M | Paso Robles | California | United States | 2010 Furnace Creek 508 | 52 | Solo | FIN | ||
| Bongo | Michael | Head | M | San Mateo | California | United States | 2006 Furnace Creek 508 | 36 | Solo | FIN | 37:15:07 | |
| Bonobo | Brian | Davidson | M | El Segundo | California | United States | 2006 Furnace Creek 508 | 28 | Four Man Fixed Gear | FIN | 32:23:35 | |
| Bonobo | Megan | Dean | F | Los Angeles | California | United States | 2006 Furnace Creek 508 | 22 | Four Man Fixed Gear | FIN | 32:23:35 | |
| Bonobo | Maxwell | Lucas | M | Manhattan Beach | California | United States | 2006 Furnace Creek 508 | 22 | Four Man Fixed Gear | FIN | 32:23:35 | |
| Bonobo | Matt | Ruscigno | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 28 | Four Man Fixed Gear | FIN | 32:23:35 | |
| Border Collie | Chris | Hopkinson | M | Derbyshire | United Kingdom | 2004 Furnace Creek 508 | 36 | Solo | FIN | 38:48:30 | ||
| Boreal Owl | Peter | Oyler | M | Toronto | Ontario | Canada | 2010 Furnace Creek 508 | 40 | Solo | FIN | ||
| Borracho Burro | Ed | Hladek | M | Las Vegas | Nevada | United States | 2010 Furnace Creek 508 | 45 | Solo | FIN | ||
| Borzoi | Mark | Dolginoff | M | Henderson | Nevada | United States | 2010 Furnace Creek 508 | 60 | Solo | FIN | ||
| Bradan | Bob | Redmond | M | Petaluma | California | United States | 2006 Furnace Creek 508 | 47 | Solo | FIN | 36:45:45 | |
| Brahma Bull-et | Peter | Bajema | M | United States | 1998 Furnace Creek 508 | 35 | Solo | FIN | 40:29:46 | |||
| Brindle Boxer | Tyson R. | Kinnick | M | Tucson | Arizona | United States | 2004 Furnace Creek 508 | 29 | Solo | FIN | 43:33:57 | |
| British Bull Dogs | Peter | Dowhan | M | Acton | California | United States | 2003 Furnace Creek 508 | 51 | Two Man | FIN | 34:56:44 | |
| British Bull Dogs | Warren | James | M | El Cajon | California | United States | 2003 Furnace Creek 508 | 53 | Two Man | FIN | 34:56:44 | |
| British Red Squirrel | Oliver | Martin | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 41 | Solo | DNF | ||
| Brittle Star | Dana | Bradshaw | M | United States | 1995 Furnace Creek 508 | 32 | Solo | FIN | 33:21:20 | |||
| Brittle Star | Dana | Bradshaw | M | United States | 1996 Furnace Creek 508 | 33 | Solo | FIN | 37:10:14 | 2nd solo finish | ||
| Brittle Star | Dana | Bradshaw | M | United States | 1997 Furnace Creek 508 | 34 | Solo | DNF | flu | |||
| Brontosaurus | Bevan | Barton | M | Piedmont | California | United States | 2003 Furnace Creek 508 | 16 | Solo | FIN | 42:37:38 | Youngest Ever Finisher! |
| Brontosaurus | Bevan | Barton | M | Piedmont | California | United States | 2008 Furnace Creek 508 | 21 | Two Man | FIN | 39:54:44 | |
| Brontosaurus | Dennis | Barton | M | Piedmont | California | United States | 2008 Furnace Creek 508 | 58 | Two Man | FIN | 39:54:44 | |
| Brooklyn Beast | Charles | Olson | M | Brooklyn | New York | United States | 2010 Furnace Creek 508 | 45 | Solo | FIN | ||
| Brown Bear | Jeff | Bell | M | San Francisco | California | United States | 1993 Furnace Creek 508 | 34 | Solo | FIN | 40:39:02 | |
| Brown Bear | Jeff | Bell | M | United States | 1994 Furnace Creek 508 | 35 | Solo | DNF | ||||
| Brown Bear | Jeff | Bell | M | United States | 1995 Furnace Creek 508 | 36 | Solo | DNF | ||||
| Bubba Shrimp | Jeff | Stephens | M | Ohio | United States | 1998 Furnace Creek 508 | 37 | Solo | FIN | 43:01:25 | ||
| Bubba Shrimp | Jeff | Stephens | M | Worthington | Ohio | United States | 2002 Furnace Creek 508 | 41 | Solo | FIN | 39:40:58 | Pre. Qual. |
| Buffalo | Norm | Hoffman | M | Bakersfield | California | United States | 1994 Furnace Creek 508 | 53 | Four Man | FIN | 23:51:30 | |
| Buffalo | Tim | LaFromboise | M | Bakersfield | California | United States | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 23:51:30 | |
| Buffalo | Kerry | Ryan | M | Bakersfield | California | United States | 1994 Furnace Creek 508 | 35 | Four Man | FIN | 23:51:30 | |
| Buffalo | David | Wiggins | M | Bakersfield | California | United States | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 23:51:30 | |
| Buffalo | Tim | LaFromboise | M | Bakersfield | California | United States | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 21:47:12 | Course Record: Open Format, 2nd team finish |
| Buffalo | Kerry | Ryan | M | Bakersfield | California | United States | 1995 Furnace Creek 508 | 36 | Four Man | FIN | 21:47:12 | Course Record: Open Format, 2nd team finish |
| Buffalo | Pat | Tafoya | M | Bakersfield | California | United States | 1995 Furnace Creek 508 | 36 | Four Man | FIN | 21:47:12 | Course Record: Open Format, 2nd team finish |
| Buffalo | David | Wiggins | M | Bakersfield | California | United States | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 21:47:12 | Course Record: Open Format, 2nd team finish |
| Bull | William | Brown | M | United States | 1995 Furnace Creek 508 | 36 | Solo | FIN | 43:25:15 | |||
| Bull | William | Brown | M | United States | 1996 Furnace Creek 508 | 37 | Solo | FIN | 32:35:59 | 2nd solo finish | ||
| Bulldog | Michael | Secrest | M | Scottsdale | Arizona | United States | May 1983 | 30 | Solo | HON | ||
| Bulldog | Michael | Secrest | M | Scottsdale | Arizona | United States | 2008 Furnace Creek 508 | 55 | Solo | DNF | ||
| Bumble Bee | Catharina | Berge | F | Visalia | California | United States | 2001 Furnace Creek 508 | 35 | Solo | FIN | 31:58:00 | 2nd solo overall; RQ |
| Bumble Bee | Catharina | Berge | F | Pullman | Washington | United States | 2008 Furnace Creek 508 | 42 | Solo | FIN | 29:43:01 | |
| Bumble Skipper | Catharina | Berge | F | Visalia | California | United States | 2006 Furnace Creek 508 | 40 | Two Mixed | FIN | 28:49:39 | |
| Bumble Skipper | Paul | McKenzie | M | Richmond | California | United States | 2006 Furnace Creek 508 | 52 | Two Mixed | FIN | 28:49:39 | |
| Bunny | Fabio | Biasiolo | M | Venice | Italy | 2000 Furnace Creek 508 | 39 | Solo | DNF | |||
| Bunny | Fabio | Biasiolo | M | Venice | Italy | 2001 Furnace Creek 508 | 40 | Solo | DNF | cramps | ||
| Bush Baby | Bob | Brudvik | M | Edmonds | Washington | United States | 2002 Furnace Creek 508 | 46 | Solo | FIN | 43:11:42 | |
| Bush Plankton | Bob | Brudvik | M | Edmonds | Washington | United States | 2003 Furnace Creek 508 | 47 | Two Man | FIN | 31:11:05 | |
| Bush Plankton | John Shannon | Wagoner | M | Corte Madera | California | United States | 2003 Furnace Creek 508 | 38 | Two Man | FIN | 31:11:05 | |
| Bush Vipers | Trever | Bushnell | M | Phoenix | Arizona | United States | 2005 Furnace Creek 508 | 39 | Four Man | FIN | 29:25:55 | |
| Bush Vipers | Craig | Long | M | Mesa | Arizona | United States | 2005 Furnace Creek 508 | 45 | Four Man | FIN | 29:25:55 | |
| Bush Vipers | Art | Macfarland | M | Chandler | Arizona | United States | 2005 Furnace Creek 508 | 43 | Four Man | FIN | 29:25:55 | |
| Bush Vipers | Greg | Rozzell | M | Gilbert | Arizona | United States | 2005 Furnace Creek 508 | 41 | Four Man | FIN | 29:25:55 | |
| Bushbuck | Andreis | Botha | M | Grimshaw | Alberta | Canada | 1998 Furnace Creek 508 | 46 | Solo | DNF | ||
| Bushbuck | Andreis | Botha | M | Grimshaw | Alberta | Canada | 1999 Furnace Creek 508 | 47 | Solo | DNF | TS2 - ? | |
| Bushbuck | Andreis | Botha | M | Grimshaw | Alberta | Canada | 2000 Furnace Creek 508 | 48 | Solo | DNF | ||
| Bushbuck | Andreis | Botha | M | Grimshaw | Canada | 2002 Furnace Creek 508 | 50 | Solo | DNF | |||
| Bushbuck | Andreis | Botha | M | Grimshaw | Alberta | Canada | 2008 Furnace Creek 508 | 56 | Solo | FIN | 46:34:09 | |
| Bushbuck | Andreis | Botha | M | Grimshaw | Alberta | Canada | 2009 Furnace Creek 508 | 57 | Solo | DNF | ||
| Bushbuck | Andreis | Botha | M | Grimshaw | Alberta | Canada | 2010 Furnace Creek 508 | 58 | Solo | FIN | ||
| Butterfly | Andi | Ramer | F | San Diego | California | United States | 2009 Furnace Creek 508 | 36 | Solo | DNF | ||
| Butterfly | Andi | Ramer | F | San Diego | California | United States | 2010 Furnace Creek 508 | 37 | Solo | FIN | ||
| Buzzard | Luigi | Barisone | M | Montecastello | Italy | 2008 Furnace Creek 508 | 34 | Solo | FIN | 45:05:03 | ||
| Cactus Wren | Dennis | Culley | M | Chandler | Arizona | United States | 2001 Furnace Creek 508 | 28 | Solo | FIN | 42:34:00 | |
| Caiman | Marshall | Chesser | M | Amarillo | Texas | United States | 2007 Furnace Creek 508 | 32 | Two Man | FIN | 38:48:31 | |
| Caiman | William | Pratt-Steele | M | Canyon | Texas | United States | 2007 Furnace Creek 508 | 53 | Two Man | FIN | 38:48:31 | |
| California Condor | Merrick | Cohn | M | Camarillo | California | United States | 2002 Furnace Creek 508 | 32 | Solo | FIN | 44:27:20 | |
| California Kingsnake | Carlo | Facchino | M | Santa Clara | California | United States | 2008 Furnace Creek 508 | 33 | Solo | FIN | 37:30:27 | |
| California Regular Newt | Russ | McBride | M | Albany | California | United States | 2005 Furnace Creek 508 | 37 | Solo | DNF | ||
| Camel | Maureen | Bowman | F | United States | 1997 Furnace Creek 508 | N/A | Four Mixed | FIN | 33:41:32 | |||
| Camel | Terry | Hutt | M | California | United States | 1997 Furnace Creek 508 | 40 | Four Mixed | FIN | 33:41:32 | ||
| Camel | Bob | Lugo | M | United States | 1997 Furnace Creek 508 | 45 | Four Mixed | FIN | 33:41:32 | |||
| Camel | Virginia | Lugo | F | United States | 1997 Furnace Creek 508 | 38 | Four Mixed | FIN | 33:41:32 | |||
| Canadian Geese | Scott | Boyle | M | Georgetown | Ontario | Canada | 1993 Furnace Creek 508 | N/A | Four Man | FIN | 25:13:08 | |
| Canadian Geese | Richard | Browne | M | Toronto | Ontario | Canada | 1993 Furnace Creek 508 | N/A | Four Man | FIN | 25:13:08 | |
| Canadian Geese | Les | Glennie | M | Ontario | Canada | 1993 Furnace Creek 508 | N/A | Four Man | FIN | 25:13:08 | ||
| Canadian Geese | Mike | Stirling | M | Elliot Lake | Ontario | Canada | 1993 Furnace Creek 508 | N/A | Four Man | FIN | 25:13:08 | |
| Canadian Turtle | Caroline | van den Bulk | F | Huntsville | Ontario | Canada | 2007 Furnace Creek 508 | 40 | Solo | FIN | 44:43:57 | |
| Candiru | Ed | Kleban | M | Denver | Colorado | United States | 2005 Furnace Creek 508 | 41 | Four Man | DNF | ||
| Candiru | Larry | Salaz | M | Valencia | California | United States | 2005 Furnace Creek 508 | 48 | Four Man | DNF | ||
| Candiru | Brennis | Wagoner | F | Woodland Hills | California | United States | 2005 Furnace Creek 508 | 63 | Four Man | DNF | ||
| Candiru | James | Wagoner | M | Woodland Hills | California | United States | 2005 Furnace Creek 508 | 65 | Four Man | DNF | ||
| Capybara | Tom | Culbertson | M | Palo Alto | California | United States | 2007 Furnace Creek 508 | 37 | Four Man | FIN | 32:58:23 | |
| Capybara | Mindy | Eiermann | F | La Honda | California | United States | 2007 Furnace Creek 508 | 27 | Four Man | FIN | 32:58:23 | |
| Capybara | Patrick | Morriss | M | San Jose | California | United States | 2007 Furnace Creek 508 | 48 | Four Man | FIN | 32:58:23 | |
| Capybara | Chad | Thomas | M | San Mateo | California | United States | 2007 Furnace Creek 508 | 36 | Four Man | FIN | 32:58:23 | |
| Capybara | Thomas | Barry | M | Redwood City | California | United States | 2008 Furnace Creek 508 | 42 | Two Man | FIN | 39:13:17 | |
| Capybara | Tom | Culbertson | M | Palo Alto | California | United States | 2008 Furnace Creek 508 | 38 | Two Man | FIN | 39:13:17 | |
| Capybara | Thomas | Barry | M | Redwood City | California | United States | 2009 Furnace Creek 508 | 43 | Two Man | DNF | ||
| Capybara | Tom | Culbertson | M | Palo Alto | California | United States | 2009 Furnace Creek 508 | 39 | Two Man | DNF | ||
| Cardinal | Dario | Benavides | M | Palo Alto | California | United States | 2008 Furnace Creek 508 | 40 | Two Mixed | FIN | 30:36:30 | |
| Cardinal | Jessica | Ngo | F | Menlo Park | California | United States | 2008 Furnace Creek 508 | 31 | Two Mixed | FIN | 30:36:30 | |
| Caretta Caretta | Chris | Cook | M | Cooperstown | New York | United States | 2007 Furnace Creek 508 | 34 | Solo | FIN | 37:30:38 | |
| Caretta Caretta | Chris | Cook | M | Fly Creek | New York | United States | 2010 Furnace Creek 508 | 37 | Solo Fixed Gear | FIN | ||
| Caribou | Mike | Moseley | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | 43 | Tandem Men | FIN | 36:45:25 | 2: one solo, one team |
| Caribou | Bob | Smith | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | 45 | Tandem Men | FIN | 36:45:25 | 2: one solo, one team |
| Carp | Todd | Carpenter | M | Waukesha | Wisconsin | United States | 2010 Furnace Creek 508 | 39 | Solo | FIN | ||
| Cat | Angelika | Castaneda | F | San Diego | California | United States | 1999 Furnace Creek 508 | 56 | Solo | FIN | 43:46:40 | RQ |
| Caterpillar | Tina | Petersen | F | United States | 1998 Furnace Creek 508 | 39 | Solo | DNF | ||||
| CCI Pup | Doug | Levy | M | Willow Grove | Pennsylvania | United States | 2007 Furnace Creek 508 | 53 | Solo | FIN | 36:01:00 | |
| Centaur | Brandon | Bruce | M | Santa Barbara | California | United States | 2003 Furnace Creek 508 | 24 | Solo | FIN | 35:07:03 | |
| Centipede | Roehl | Caragao | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 35 | Four Tandem Men | FIN | 23:20:00 | |
| Centipede | Scott | Garrison | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 44 | Four Tandem Men | FIN | 23:20:00 | |
| Centipede | Ron | Jones | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 38 | Four Tandem Men | FIN | 23:20:00 | |
| Centipede | Mike | Moseley | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 44 | Four Tandem Men | FIN | 23:20:00 | |
| Centipede | Hank | Pfister | M | United States | 1998 Furnace Creek 508 | 45 | Four Tandem Men | FIN | 23:20:00 | |||
| Centipede | Curt | Pierce | M | United States | 1998 Furnace Creek 508 | N/A | Four Tandem Men | FIN | 23:20:00 | |||
| Centipede | Scott | Rosenlieb | M | United States | 1998 Furnace Creek 508 | 46 | Four Tandem Men | FIN | 23:20:00 | |||
| Centipede | Bob | Smith | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 46 | Four Tandem Men | FIN | 23:20:00 | |
| Cerion | Phillip | Halpern | M | San Diego | California | United States | 2002 Furnace Creek 508 | 49 | Solo | DNF | ||
| Cerion | Phillip | Halpern | M | San Diego | California | United States | 2003 Furnace Creek 508 | 50 | Solo | FIN | 34:48:28 | |
| Chameleon | Colleen | Quinn | F | Los Angeles | California | United States | 1999 Furnace Creek 508 | 24 | Solo | DNF | TS2 - stomach | |
| Charlotte the Spider | Mark | Burson | M | Thousand Oaks | California | United States | 2008 Furnace Creek 508 | 53 | Solo | DNF | ||
| Chartreux | Jean Marc | Velez | M | Le Chesnay | France | 2005 Furnace Creek 508 | 43 | Solo | FIN | 34:50:21 | ||
| Chartreux | Jean Marc | Velez | M | Les Chesnay | France | 2008 Furnace Creek 508 | 46 | Solo | FIN | 33:18:45 | ||
| Cheetah | James | Chudej | M | United States | October 1991 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Cheetah | James | Chudej | M | United States | 1993 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Chesapeake Bay Retriever | Terry | Lentz | M | Templeton | California | United States | 2007 Furnace Creek 508 | 49 | Solo Fixed Gear | FIN | 30:13:05 | |
| Chesapeake Bay Retriever | Terry | Lentz | M | Templeton | California | United States | 2010 Furnace Creek 508 | 52 | Solo Classic | FIN | ||
| Chickadee | Carol | Chaffee | F | Arvada | Colorado | United States | 2003 Furnace Creek 508 | 48 | Solo | FIN | 38:38:43 | |
| Chickadee | Carol | Chaffee | F | Arvada | Colorado | United States | 2005 Furnace Creek 508 | 50 | Solo | FIN | 33:14:58 | |
| Chicken | Allessandro | Colo | M | Rome | Italy | 2004 Furnace Creek 508 | 43 | Solo | FIN | 36:34:39 | ||
| Chihuahua | Norberto | Valdes | M | The Woodlands | Texas | United States | 2001 Furnace Creek 508 | 44 | Solo | DNF | ||
| Chimpanzee | Charlie | Marko | M | Sunland | California | United States | 2003 Furnace Creek 508 | 40 | Solo | FIN | 43:38:20 | |
| Chinchilla | Carl | Chaney | M | Hanford | California | United States | 2002 Furnace Creek 508 | 26 | Solo | DNF | ||
| Chinook | Brad | Atencio | M | Richland | Washington | United States | 1999 Furnace Creek 508 | 34 | Four Man | FIN | 29:44:35 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 1999 Furnace Creek 508 | 49 | Four Man | FIN | 29:44:35 | |
| Chinook | David, Jr. | Fischer | M | Pasco | Washington | United States | 1999 Furnace Creek 508 | 21 | Four Man | FIN | 29:44:35 | |
| Chinook | Eli | Kaczynski | M | Kennewick | Washington | United States | 1999 Furnace Creek 508 | 54 | Four Man | FIN | 29:44:35 | |
| Chinook | Brad | Atencio | M | Richland | Washington | United States | 2000 Furnace Creek 508 | 36 | Four Man | FIN | 29:29:49 | |
| Chinook | Steve | Canaday | M | Pasco | Washington | United States | 2000 Furnace Creek 508 | 53 | Four Man | FIN | 29:29:49 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2000 Furnace Creek 508 | 50 | Four Man | FIN | 29:29:49 | |
| Chinook | Bill | Hanf | M | Kennewick | Washington | United States | 2000 Furnace Creek 508 | 51 | Four Man | FIN | 29:29:49 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2001 Furnace Creek 508 | 51 | Two Man | FIN | 33:53:00 | course record |
| Chinook | Bill | Hanf | M | Kennewick | Washington | United States | 2001 Furnace Creek 508 | 52 | Two Man | FIN | 33:53:00 | course record |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2002 Furnace Creek 508 | 52 | Two Man | FIN | 33:04:51 | Record |
| Chinook | Bill | Hanf | M | Kennewick | Washington | United States | 2002 Furnace Creek 508 | 53 | Two Man | FIN | 33:04:51 | Record |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2003 Furnace Creek 508 | 53 | Two Mixed | FIN | 32:22:25 | |
| Chinook | Diane | Ross | F | Burbank | Washington | United States | 2003 Furnace Creek 508 | 42 | Two Mixed | FIN | 32:22:25 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2004 Furnace Creek 508 | 54 | Two Mixed | FIN | 39:35:45 | |
| Chinook | Diane | Ross | F | Burbank | Washington | United States | 2004 Furnace Creek 508 | 43 | Two Mixed | FIN | 39:35:45 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2005 Furnace Creek 508 | 55 | Two Mixed | FIN | 34:13:26 | |
| Chinook | Diane | Ross | F | Burbank | Washington | United States | 2005 Furnace Creek 508 | 44 | Two Mixed | FIN | 34:13:26 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2006 Furnace Creek 508 | 56 | Four Mixed | FIN | 36:46:46 | |
| Chinook | Bill | Hanf | M | Kennewick | Washington | United States | 2006 Furnace Creek 508 | 57 | Four Mixed | FIN | 36:46:46 | |
| Chinook | Diane | Hanf | F | Kennewick | Washington | United States | 2006 Furnace Creek 508 | 50 | Four Mixed | FIN | 36:46:46 | |
| Chinook | Kathy | Mclane | F | Kennewick | Washington | United States | 2006 Furnace Creek 508 | 36 | Four Mixed | FIN | 36:46:46 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2007 Furnace Creek 508 | 57 | Four Mixed | FIN | 36:09:49 | |
| Chinook | Bill | Hanf | M | Kennewick | Washington | United States | 2007 Furnace Creek 508 | 58 | Four Mixed | FIN | 36:09:49 | |
| Chinook | Diane | Hanf | F | Kennewick | Washington | United States | 2007 Furnace Creek 508 | 51 | Four Mixed | FIN | 36:09:49 | |
| Chinook | Diane | Strycula | F | Kennewick | Washington | United States | 2007 Furnace Creek 508 | 46 | Four Mixed | FIN | 36:09:49 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2008 Furnace Creek 508 | 58 | Four Mixed | FIN | 36:13:49 | |
| Chinook | Kathy | Fischer | M | Kennewick | Washington | United States | 2008 Furnace Creek 508 | 38 | Four Mixed | FIN | 36:13:49 | |
| Chinook | Diane | Hanf | F | Kennewick | Washington | United States | 2008 Furnace Creek 508 | 52 | Four Mixed | FIN | 36:13:49 | |
| Chinook | Diane | Strycula | F | Burbank | Washington | United States | 2008 Furnace Creek 508 | 47 | Four Mixed | FIN | 36:13:49 | |
| Chinook | David | Baker | M | Kennewick | Washington | United States | 2009 Furnace Creek 508 | 34 | Four Man | FIN | 37:26:10 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2009 Furnace Creek 508 | 59 | Four Man | FIN | 37:26:10 | |
| Chinook | Kern | Kostenko | M | Kennewick | Washington | United States | 2009 Furnace Creek 508 | 47 | Four Man | FIN | 37:26:10 | |
| Chinook | Diane | Strycula | F | Burbank | Washington | United States | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 37:26:10 | |
| Chinook | David | Fischer | M | Kennewick | Washington | United States | 2010 Furnace Creek 508 | 60 | Two Mixed | FIN | ||
| Chinook | Diane | Strycula | F | Burbank | Washington | United States | 2010 Furnace Creek 508 | 49 | Two Mixed | FIN | ||
| Chow Chow | Steve | Kreiling | M | Montara | California | United States | 2008 Furnace Creek 508 | 56 | Solo | DNF | ||
| Chukar | Arty | Blanco | M | Ridgecrest | California | United States | 2006 Furnace Creek 508 | 49 | Four Man | FIN | 35:03:04 | |
| Chukar | Adam | Graehl | M | Ridgecrest | California | United States | 2006 Furnace Creek 508 | 55 | Four Man | FIN | 35:03:04 | |
| Chukar | Terri | Hand | F | Ridgecrest | California | United States | 2006 Furnace Creek 508 | 31 | Four Man | FIN | 35:03:04 | |
| Chukar | Ronald | Strand | M | Ridgecrest | California | United States | 2006 Furnace Creek 508 | 41 | Four Man | FIN | 35:03:04 | |
| Chukar | Arty | Blanco | M | Ridgecrest | California | United States | 2007 Furnace Creek 508 | 49 | Four Man | FIN | 38:48:31 | |
| Chukar | Adam | Graehl | M | Ridgecrest | United States | 2007 Furnace Creek 508 | 56 | Four Man | FIN | 38:48:31 | ||
| Chukar | Ronald | Strand | M | Ridgecrest | California | United States | 2007 Furnace Creek 508 | 41 | Four Man | FIN | 38:48:31 | |
| Chukar | Ronald J. | Bell | M | Ridgecrest | California | United States | 2008 Furnace Creek 508 | 48 | Four Man | FIN | 35:13:22 | |
| Chukar | Arty | Blanco | M | Ridgecrest | California | United States | 2008 Furnace Creek 508 | 50 | Four Man | FIN | 35:13:22 | |
| Chukar | Adam | Graehl | M | Ridgecrest | California | United States | 2008 Furnace Creek 508 | 57 | Four Man | FIN | 35:13:22 | |
| Chukar | Ronald | Strand | M | Ridgecrest | California | United States | 2008 Furnace Creek 508 | 44 | Four Man | FIN | 35:13:22 | |
| Chukwalla | Brad | Carey | M | Fountain Hills | Arizona | United States | 2001 Furnace Creek 508 | 37 | Two Man | FIN | 34:25:00 | |
| Chukwalla | Randy | Daymude | M | Fountain Hills | Arizona | United States | 2001 Furnace Creek 508 | 43 | Two Man | FIN | 34:25:00 | |
| Chupacabra | Louise | Comar | F | Atascadero | California | United States | 2005 Furnace Creek 508 | 52 | Two Woman | FIN | 32:38:46 | |
| Chupacabra | Karen | Rhodes | F | San Francisco | California | United States | 2005 Furnace Creek 508 | 51 | Two Woman | FIN | 32:38:46 | |
| Click Beetle | Thomas | Clime | M | Glenwood | Maryland | United States | 2009 Furnace Creek 508 | 44 | Solo | FIN | 47:22:27 | |
| Clownfish | Brian | Boschma | M | Los Gatos | California | United States | 2009 Furnace Creek 508 | 58 | Four Man | FIN | 38:39:11 | |
| Clownfish | Tom | Condy | M | Mountain View | California | United States | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 38:39:11 | |
| Clownfish | Anna | Luo | F | Sunnyvale | California | United States | 2009 Furnace Creek 508 | 46 | Four Man | FIN | 38:39:11 | |
| Clownfish | Jason | Pierce | M | Oakland | California | United States | 2009 Furnace Creek 508 | 35 | Four Man | FIN | 38:39:11 | |
| Coatimundi | Chris | Caldwell | M | San Rafael | California | United States | 2002 Furnace Creek 508 | 32 | Solo | DNF | ||
| Cobra | Phillip | Holcomb | M | Jacksonville | Florida | United States | 2002 Furnace Creek 508 | 49 | Solo | FIN | 37:30:54 | New Qual. |
| Cockatoo | Bernie | Comeau | M | United States | 1993 Furnace Creek 508 | 30 | Solo | DNF | ||||
| Cockroach | Franz | Hansjoerg | M | Austria | 1999 Furnace Creek 508 | 25 | Solo | FIN | 42:31:27 | RQ | ||
| Collared Lizard | Mike | Bridschge | M | Coolidge | Arizona | United States | 2006 Furnace Creek 508 | 42 | Solo | FIN | 37:32:16 | |
| Collared Lizard | Mike | Bridschge | M | Coolidge | Arizona | United States | 2007 Furnace Creek 508 | 43 | Solo | DNF | ||
| Collared Peccary | Paul | Grube | M | Henderson | Nevada | United States | 2008 Furnace Creek 508 | 33 | Two Man | FIN | 29:50:54 | |
| Collared Peccary | Ed | Hladek | M | Las Vegas | Nevada | United States | 2008 Furnace Creek 508 | 43 | Two Man | FIN | 29:50:54 | |
| Colossal Squid | Michael | Gaiman | M | San Francisco | California | United States | 2009 Furnace Creek 508 | 26 | Two Mixed | FIN | 33:22:29 | |
| Colossal Squid | Kristina | Reid | F | San Francisco | California | United States | 2009 Furnace Creek 508 | 28 | Two Mixed | FIN | 33:22:29 | |
| Cookie Monster | Michael | Cook | M | Santa Rosa | California | United States | 2006 Furnace Creek 508 | 35 | Solo | FIN | 32:36:24 | RAAM Qualified |
| Coonhound | Sergio | Avila | M | Tucson | Arizona | United States | 2005 Furnace Creek 508 | 33 | Two Man | FIN | 35:40:40 | |
| Coonhound | Bruce | Gungle | M | Tucson | Arizona | United States | 2005 Furnace Creek 508 | 46 | Two Man | FIN | 35:40:40 | |
| Coonhound | Bruce | Gungle | M | Tucson | Arizona | United States | 2010 Furnace Creek 508 | 52 | Solo | FIN | ||
| Cottontail | Peter | Morrissey | M | Oakland | California | United States | 2005 Furnace Creek 508 | 42 | Solo | DNF | ||
| Cougar | Ted | Ahlem | M | United States | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 24:45:05 | |||
| Cougar | Scott | Garrison | M | Bakersfield | California | United States | 1996 Furnace Creek 508 | 42 | Four Man | FIN | 24:45:05 | |
| Cougar | Bob | Smith | M | Bakersfield | California | United States | 1996 Furnace Creek 508 | 44 | Four Man | FIN | 24:45:05 | |
| Cougar | Lance | St. Pierre | M | California | United States | 1996 Furnace Creek 508 | N/A | Four Man | FIN | 24:45:05 | ||
| Cow | Bernie | Comeau | M | United States | 1994 Furnace Creek 508 | 31 | Solo | FIN | 46:44:20 | |||
| Cow | Bernie | Comeau | M | United States | 1996 Furnace Creek 508 | 33 | Solo | DNF | ||||
| Cow | Bernie | Comeau | M | United States | 1998 Furnace Creek 508 | 35 | Solo | DNF | ||||
| Cow | Bernie | Comeau | M | Olympia | Washington | United States | 2005 Furnace Creek 508 | 42 | Solo | DNF | ||
| Coyote | Raymond | Barnes | M | Woodland Hills | California | United States | 2002 Furnace Creek 508 | 45 | Solo | FIN | 47:43:50 | |
| Cpt-N-Kangaroo | Emmy | Klassen | F | Bakersfield | California | United States | 2003 Furnace Creek 508 | 45 | Tandem Mixed | DNF | ||
| Cpt-N-Kangaroo | Mike | Moseley | M | Bakersfield | California | United States | 2003 Furnace Creek 508 | 49 | Tandem Mixed | DNF | ||
| Crab, King | Rainer | Klaus | M | Germany | 1996 Furnace Creek 508 | 33 | Solo | FIN | 28:09:34 | Course Record: overall and 30+ | ||
| Crane | Dan | Crain | M | Irvine | California | United States | 2004 Furnace Creek 508 | 59 | Solo | DNF | Shermer Neck | |
| Crane | Dan | Crain | M | Irvine | California | United States | 2005 Furnace Creek 508 | 60 | Solo | FIN | 33:13:11 | |
| Crawfish | Premananda | Childs | M | Greenwich | Connecticut | United States | October 1990 RAAM Open West | 45 | Solo | FIN | 31:47:00 | |
| Crawfish | Premananda | Childs | M | Greenwich | Connecticut | United States | October 1991 Furnace Creek 508 | 46 | Solo | FIN | 30:59:10 | 2nd solo finish |
| Crawfish | Premananda | Childs | M | United States | 1993 Furnace Creek 508 | 48 | Solo | DNF | ||||
| Crazy Clownfish | Tom | Morice | M | Scottsdale | Arizona | United States | 2008 Furnace Creek 508 | 53 | Solo | DNF | ||
| Crazy Horse | Dominique | Briand | M | Feyzin | France | 2008 Furnace Creek 508 | 53 | Solo | FIN | 30:19:38 | ||
| Crocodile | Dean | Crothers | M | Reno | Nevada | United States | 1999 Furnace Creek 508 | 32 | Solo | FIN | 35:20:33 | Tie; RQ |
| Crocodile | Dean | Crothers | M | Reno | Nevada | United States | 2000 Furnace Creek 508 | 33 | Solo | DNF | ||
| Crow | Giovanni | Zilioli | M | Fiorenzuola D' Arda | Italy | 1999 Furnace Creek 508 | 42 | Solo | FIN | 43:13:08 | RQ | |
| Crow | Sean | Cuddihy | M | Long Beach | California | United States | 2006 Furnace Creek 508 | 37 | Solo | FIN | 30:26:21 | RAAM Qualified |
| Crow | Sean | Cuddihy | M | Long Beach | California | United States | 2007 Furnace Creek 508 | 38 | Solo | FIN | 29:05:35 | |
| Crow | Sean | Cuddihy | M | Long Beach | California | United States | 2010 Furnace Creek 508 | 42 | Solo | FIN | ||
| Cuckoo Bee | John | Lauer | M | Elk Grove | California | United States | 2007 Furnace Creek 508 | 44 | Two Recumbent | FIN | 32:02:13 | |
| Cuckoo Bee | Ron | Smith | M | Chula Vista | California | United States | 2007 Furnace Creek 508 | 39 | Two Recumbent | FIN | 32:02:13 | |
| Cuthroat Trout | James | Trout | M | Seattle | Washington | United States | 2003 Furnace Creek 508 | 33 | Solo | FIN | 36:54:50 | |
| Cutthroat | James | Trout | M | Seattle | Washington | United States | 2001 Furnace Creek 508 | 31 | Solo | FIN | 40:40:00 | |
| Cutthroat Trout | James | Trout | M | Seattle | Washington | United States | 1999 Furnace Creek 508 | 29 | Solo | DNF | TS2 - car battery | |
| Cutthroat Trout | James | Trout | M | Seattle, | Washington | United States | 2005 Furnace Creek 508 | 35 | Solo | FIN | 35:21:17 | |
| Dachsund | Franz | Engleder | M | Austria | 1999 Furnace Creek 508 | 33 | Tandem Men | FIN | 38:48:30 | RQ | ||
| Dachsund | Karl | Traunmueller | M | Austria | 1999 Furnace Creek 508 | 43 | Tandem Men | FIN | 38:48:30 | RQ | ||
| Daddy Long Legs | Tom | Lawrence | M | Mountain View | California | United States | 2004 Furnace Creek 508 | 37 | Solo | FIN | 41:48:46 | |
| Dalls Porpoise | Hugh | Gapay | M | Cornelius | Oregon | United States | 2007 Furnace Creek 508 | 43 | Solo | FIN | 34:02:36 | |
| Dalmation | Jeff | Dewey | M | United States | 1996 Furnace Creek 508 | 39 | Solo | FIN | 36:35:28 | |||
| Davis Drills | Richard | Boettner | M | Davis | California | United States | 2001 Furnace Creek 508 | 35 | Four Tandem Men | FIN | 22:45:00 | course record |
| Davis Drills | Daryn | Dodge | M | Davis | California | United States | 2001 Furnace Creek 508 | 41 | Four Tandem Men | FIN | 22:45:00 | course record |
| Davis Drills | Jim | Frink | M | Folsom | California | United States | 2001 Furnace Creek 508 | 38 | Four Tandem Men | FIN | 22:45:00 | course record |
| Davis Drills | Rick | Humphreys | M | Carmichael | California | United States | 2001 Furnace Creek 508 | 49 | Four Tandem Men | FIN | 22:45:00 | course record |
| Davis Drills | Steve | Rex | M | Sacramento | California | United States | 2001 Furnace Creek 508 | 39 | Four Tandem Men | FIN | 22:45:00 | course record |
| Davis Drills | Craig | Robertson | M | Los Altos | California | United States | 2001 Furnace Creek 508 | 44 | Four Tandem Men | FIN | 22:45:00 | course record |
| Davis Drills | Dan | Shadoan | M | Davis | California | United States | 2001 Furnace Creek 508 | 52 | Four Tandem Men | FIN | 22:45:00 | course record |
| Davis Drills | David | Taillon | M | Davis | California | United States | 2001 Furnace Creek 508 | 36 | Four Tandem Men | FIN | 22:45:00 | course record |
| Deerhound | Lisa Marie | Dougherty | F | Urbana | Illinois | United States | 2001 Furnace Creek 508 | 30 | Solo | FIN | 39:27:00 | |
| Deerhound | Lisa Marie | Dougherty | F | Los Alamos | New Mexico | United States | 2003 Furnace Creek 508 | 32 | Solo | FIN | 35:36:41 | |
| Desert Coyote | Kevin | Van Dyke | M | Forest Grove | Oregon | United States | 2009 Furnace Creek 508 | 54 | Solo | DNF | ||
| Desert Coyote | Kevin | Van Dyke | M | Forest Grove | Oregon | United States | 2010 Furnace Creek 508 | 55 | Solo | FIN | ||
| Desert Duck | Steve | Teal | M | Phelan | California | United States | 2005 Furnace Creek 508 | 40 | Solo | FIN | 35:39:52 | |
| Desert Duck | Steve | Teal | M | Phelan | California | United States | 2006 Furnace Creek 508 | 41 | Solo | FIN | 41:24:06 | Death Valley Cup |
| Desert Duck | Steve | Teal | M | Phelan | California | United States | 2007 Furnace Creek 508 | 42 | Solo | FIN | 34:16:04 | |
| Desert Duck | Steve | Teal | M | Phelan | California | United States | 2008 Furnace Creek 508 | 43 | Solo | FIN | 35:12:55 | 2008 Death Valley Cup: Badwater + The 508 |
| Desert Duck | Steve | Teal | M | Phelan | California | United States | 2010 Furnace Creek 508 | 45 | Solo | FIN | ||
| Desert Eagle | Greg | Davis | M | W. Bloomfield | Michigan | United States | 2010 Furnace Creek 508 | 52 | Solo | FIN | ||
| Desert Fox | Ton | Van Daelen | M | San Diego | California | United States | 2005 Furnace Creek 508 | 38 | Solo | FIN | 34:27:17 | |
| Desert Locust | Matt | Ruscigno | M | Los Angeles | California | United States | 2008 Furnace Creek 508 | 30 | Solo | FIN | 37:20:39 | |
| Desert Locust | Matt | Ruscigno | M | Los Angeles | California | United States | 2009 Furnace Creek 508 | 31 | Solo | FIN | 39:28:55 | |
| Desert Locust | Matt | Ruscigno | M | Los Angeles | California | United States | 2010 Furnace Creek 508 | 32 | Solo | FIN | ||
| Desert Mouse | Erhard | Weiss | M | Siselen | Berne (Bern) | Switzerland | 2008 Furnace Creek 508 | 58 | Solo | DNF | ||
| Desert Mouse | Erhard | Weiss | M | Siselen | Berne (Bern) | Switzerland | 2009 Furnace Creek 508 | 59 | Solo | DNF | ||
| Desert Mouse | Erhard | Weiss | M | Siselen | Berne (Bern) | Switzerland | 2010 Furnace Creek 508 | 60 | Solo | FIN | ||
| Desert Pupfish | Jason | Eiserich | M | Davis | California | United States | 2008 Furnace Creek 508 | 39 | Four Man | FIN | 32:43:59 | |
| Desert Pupfish | Joaquin | Feliciano | M | Davis | California | United States | 2008 Furnace Creek 508 | 37 | Four Man | FIN | 32:43:59 | |
| Desert Pupfish | Janice I. | Levet | F | Davis | California | United States | 2008 Furnace Creek 508 | 34 | Four Man | FIN | 32:43:59 | |
| Desert Pupfish | Lorne | Sachs | M | Woodland | California | United States | 2008 Furnace Creek 508 | 43 | Four Man | FIN | 32:43:59 | |
| Desert Rat | Ric | Schrank | M | Virginia City | Nevada | United States | 2002 Furnace Creek 508 | 37 | Solo | DNF | ||
| Desert Rat | Ric | Schrank | M | Virginia City | Nevada | United States | 2003 Furnace Creek 508 | 38 | Solo | DNF | ||
| Desert Rat | Ric | Schrank | M | Virginia City | Nevada | United States | 2006 Furnace Creek 508 | 41 | Solo | DNF | ||
| Desert Rat | Ric | Schrank | M | Virginia City | United States | 2007 Furnace Creek 508 | 42 | Solo | DNF | |||
| Desert Rat | Ric | Schrank | M | Virginia City | Nevada | United States | 2010 Furnace Creek 508 | 45 | Solo | FIN | ||
| Desert Tortoise | Tim | Cockerham | M | San Diego | California | United States | 2004 Furnace Creek 508 | 34 | Two Man | FIN | 41:28:42 | COURSE RECORD |
| Desert Tortoise | David | Moore | M | San Diego | California | United States | 2004 Furnace Creek 508 | 33 | Two Man | FIN | 41:28:42 | COURSE RECORD |
| Desert Whipsnake | Rob | Despain | M | Oceanside | California | United States | 2009 Furnace Creek 508 | 43 | Four Man | DNF | ||
| Desert Whipsnake | Laird | Heikens | M | Rancho Santa Margarita | California | United States | 2009 Furnace Creek 508 | 45 | Four Man | DNF | ||
| Desert Whipsnake | Brian | Turner | M | Redondo Beach | California | United States | 2009 Furnace Creek 508 | 32 | Four Man | DNF | ||
| Desert Whipsnake | Patrick | Wells | M | San Marcos | California | United States | 2009 Furnace Creek 508 | 44 | Four Man | DNF | ||
| Desparate House Flies | William | Carr | M | Ojai | California | United States | 2006 Furnace Creek 508 | 41 | Four Man | FIN | 33:43:05 | |
| Desparate House Flies | Steve | Rheault | M | Frederick | Maryland | United States | 2006 Furnace Creek 508 | 46 | Four Man | FIN | 33:43:05 | |
| Desparate House Flies | Boyd | Taylor | M | San Francisco | California | United States | 2006 Furnace Creek 508 | 36 | Four Man | FIN | 33:43:05 | |
| Desparate House Flies | Joseph | Taylor | M | Graton | California | United States | 2006 Furnace Creek 508 | 33 | Four Man | FIN | 33:43:05 | |
| Devil Grasshopper | Scott | McIntosh | M | Chicago | Illinois | United States | 2005 Furnace Creek 508 | 35 | Solo | FIN | 33:58:21 | |
| Devil Grasshopper | Scott | McIntosh | M | Chicago | Illinois | United States | 2006 Furnace Creek 508 | 36 | Solo | FIN | 36:20:59 | |
| Devil Grasshopper | Scott | McIntosh | M | Chicago | Illinois | United States | 2007 Furnace Creek 508 | 37 | Solo | FIN | 34:47:32 | |
| Devil Grasshopper | Scott | McIntosh | M | Chicago | Illinois | United States | 2010 Furnace Creek 508 | 41 | Solo | FIN | ||
| Devil Ray | Nancy | Dankenbring | F | California | United States | 1998 Furnace Creek 508 | 24 | Solo | FIN | 41:56:45 | ||
| Diamondback | Dwayne | Highsmith | M | Fairfield | California | United States | 2003 Furnace Creek 508 | 44 | Two Man | FIN | 32:50:52 | |
| Diamondback | Tim | Jones | M | Fairfield | California | United States | 2003 Furnace Creek 508 | 46 | Two Man | FIN | 32:50:52 | |
| Dik-Dik | Shanna Christine | Armstrong | F | Canoga Park | California | United States | 2006 Furnace Creek 508 | 32 | Solo | FIN | 38:46:15 | |
| Dik-Dik | Shanna Christine | Armstrong | F | Lubbock | Texas | United States | 2008 Furnace Creek 508 | 34 | Solo | FIN | 34:30:58 | 2008 Death Valley Cup: Badwater + The 508 |
| Dingo | Beth | Dawson | F | United States | October 1989 RAAM Open West | 27 | Solo | DNF | ||||
| Dingo | Beth | Dawson | F | Santa Cruz | California | United States | April 1990 RAAM Open West | 28 | Solo | FIN | 45:24:00 | |
| Dingo | Beth | Dawson | F | Saratoga | California | United States | October 1991 Furnace Creek 508 | 30 | Solo | FIN | 36:22:19 | 2nd solo finish |
| Dinosaur | Tom | Davies | M | California | United States | April 1989 RAAM Open West | 45 | Solo | DNF | |||
| Dinosaur | Tom | Davies | M | California | United States | June 1989 RAAM Open West | 45 | Solo | DNF | |||
| Dinosaur | Tom | Davies | M | California | United States | October 1989 RAAM Open West | 45 | Solo | DNF | |||
| Dinosaur | Tom | Davies | M | Magalia | California | United States | October 1990 RAAM Open West | 46 | Solo | FIN | 35:04:00 | |
| Dinosaur | Tom | Davies | M | California | United States | October 1991 Furnace Creek 508 | 47 | Solo | DNF | |||
| Dinosaur | Tom | Davies | M | California | United States | 1995 Furnace Creek 508 | 51 | Solo | DNF | |||
| Dinosaur | Tom | Davies | M | Paradise | California | United States | 2000 Furnace Creek 508 | 56 | Solo | DNF | ||
| Dodo | Gale | Dominy | M | United States | 1997 Furnace Creek 508 | 58 | Solo | FIN | 47:18:50 | |||
| Dog | Doug | Sloan | M | Fresno | California | United States | 2001 Furnace Creek 508 | 41 | Solo | FIN | 36:47:00 | |
| Dog | Doug | Sloan | M | Fresno | California | United States | 2007 Furnace Creek 508 | 47 | Solo | DNF | ||
| Dogfish | Patrick | Bates | M | Overland Park | Kansas | United States | 2004 Furnace Creek 508 | 50 | Four Man | FIN | 36:41:00 | |
| Dogfish | Andres | Caicedo | M | Lafayette | California | United States | 2004 Furnace Creek 508 | 34 | Four Man | FIN | 36:41:00 | |
| Dogfish | Gregory C. | Gragg | M | Lee's Summit | Missouri | United States | 2004 Furnace Creek 508 | 41 | Four Man | FIN | 36:41:00 | |
| Dogfish | Jonathan | Laurans | M | Kansas City | Kansas | United States | 2004 Furnace Creek 508 | 39 | Four Man | FIN | 36:41:00 | |
| Dolphin | Deborah | Caplan | F | Culver City | California | United States | 2000 Furnace Creek 508 | 35 | Solo | DNF | ||
| Dolphin | Deborah | Caplan | F | Culver City | California | United States | 2001 Furnace Creek 508 | 36 | Solo | DNF | ||
| Dolphin | Deborah | Caplan | F | Agoura Hills | California | United States | 2004 Furnace Creek 508 | 39 | Solo | DNF | Too windy | |
| Domestic Carabao | Fortunato | Gascon | M | Fresno | California | United States | 2008 Furnace Creek 508 | 46 | Four Man | FIN | 31:16:52 | |
| Domestic Carabao | Tom | Guevara | M | Coarsegold | California | United States | 2008 Furnace Creek 508 | 52 | Four Man | FIN | 31:16:52 | |
| Domestic Carabao | Angelo | Quitorio | M | Fresno | California | United States | 2008 Furnace Creek 508 | 41 | Four Man | FIN | 31:16:52 | |
| Domestic Carabao | Dennis L. | Tiu | M | Fresno | California | United States | 2008 Furnace Creek 508 | 42 | Four Man | FIN | 31:16:52 | |
| Donkey | David A. | Jones | M | Canoga Park | California | United States | 2003 Furnace Creek 508 | 57 | Solo | FIN | 38:50:42 | |
| Donkey | David A. | Jones | M | Canoga Park | California | United States | 2004 Furnace Creek 508 | 58 | Solo | FIN | 42:21:00 | |
| Donkey | David A. | Jones | M | Lubbock | Texas | United States | 2006 Furnace Creek 508 | 60 | Solo | FIN | 37:14:38 | |
| Donkey | David A. | Jones | M | Canoga Park | California | United States | 2007 Furnace Creek 508 | 61 | Solo | FIN | 35:48:53 | |
| Donkey | David A. | Jones | M | Canoga Park | California | United States | 2008 Furnace Creek 508 | 62 | Solo | FIN | 35:46:20 | |
| Donkey | David A. | Jones | M | Winnetka | California | United States | 2009 Furnace Creek 508 | 63 | Solo | FIN | 42:12:54 | |
| Donkey | David A. | Jones | M | Winnetka | California | United States | 2010 Furnace Creek 508 | 64 | Solo | FIN | ||
| Dorado | Omar | Spina | M | Oak Park | California | United States | 2008 Furnace Creek 508 | 36 | Two Man | FIN | 29:37:19 | |
| Dorado | Rick | Wallace | M | Thousand Oaks | California | United States | 2008 Furnace Creek 508 | 49 | Two Man | FIN | 29:37:19 | |
| Dragon | Les | Drake | M | California | United States | April 1989 RAAM Open West | 33 | Solo | DNF | |||
| Dragon | Les | Drake | M | Carpinteria | California | United States | October 1989 RAAM Open West | 33 | Solo | FIN | 33:10:00 | |
| Dragon | Les | Drake | M | California | United States | 1996 Furnace Creek 508 | 40 | Solo | FIN | 34:54:06 | 2nd solo finish | |
| Dragon Fish | Dario | Valsesia | M | Borgomanero | Italy | 2003 Furnace Creek 508 | 36 | Solo | FIN | 45:20:53 | ||
| Dragonfly | Valsesia | Nico Dino | M | Novaro | Italy | 2000 Furnace Creek 508 | 29 | Solo | FIN | 35:09:58 | ||
| Dragonfly | Valsesia | Nico Dino | M | Borgomanero | Italy | 2002 Furnace Creek 508 | 31 | Solo | DQ | Dragonfly was given three penalties and thus was DQ'd from the race. His infractions included riding at night without his support vehicle behind him, riding without a bicycle light, and running a stop sign. | ||
| Dromedary | Billy | Richmond | M | San Jose | California | United States | 2008 Furnace Creek 508 | 42 | Solo | FIN | 36:56:32 | |
| Duck | James | DeCaro | M | United States | 1993 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Duck | James | DeCaro | M | United States | 1994 Furnace Creek 508 | N/A | Solo | FIN | 31:58:57 | |||
| Dugong | Dave | Tanner | M | Bloomington | Indiana | United States | 2002 Furnace Creek 508 | 52 | Solo | FIN | 39:35:45 | Pre. Qual. |
| Dung Mite | Andrew | Zelhof | M | Carlsbad | California | United States | 2006 Furnace Creek 508 | 37 | Solo | FIN | 32:39:33 | RAAM Qualified |
| Dung Mite | Andrew | Zelhof | M | Carlsbad | California | United States | 2007 Furnace Creek 508 | 38 | Solo | FIN | 32:37:53 | |
| E.Coli | Isabelle | Drake | F | Laguna Beach | California | United States | 2005 Furnace Creek 508 | 52 | Two Woman | FIN | 32:38:28 | |
| E.Coli | Kerin | Huber | F | Pasadena | California | United States | 2005 Furnace Creek 508 | 46 | Two Woman | FIN | 32:38:28 | |
| Eaglet | Pat | Enright | M | United States | 1993 Furnace Creek 508 | 27 | Solo | DNF | ||||
| Eastside VELOciraptors | Jeffrey | Byberg | M | Crowley Lake | California | United States | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 34:17:42 | |
| Eastside VELOciraptors | David | DeVries | M | Bishop | California | United States | 2009 Furnace Creek 508 | 54 | Four Man | FIN | 34:17:42 | |
| Eastside VELOciraptors | Jim | Pettigrew | M | Crowley Lake | California | United States | 2009 Furnace Creek 508 | 58 | Four Man | FIN | 34:17:42 | |
| Eastside VELOciraptors | Steve | Schmunk | M | Bishop | California | United States | 2009 Furnace Creek 508 | 42 | Four Man | FIN | 34:17:42 | |
| Echidna | Sandy | Kenny | F | Albany | Oregon | United States | 1999 Furnace Creek 508 | 36 | Solo | FIN | 41:06:34 | RQ |
| Elephant | Paul | Evans | M | United States | 1995 Furnace Creek 508 | 43 | Solo | DNF | ||||
| Elephant | Paul | Evans | M | United States | 1997 Furnace Creek 508 | 45 | Solo | FIN | 36:49:05 | RAAM Qualifier | ||
| Elephant Shrew | Jason | Eddy | M | San Diego | California | United States | 2003 Furnace Creek 508 | 28 | Solo | DNF | ||
| Elk | Ken | Eichstaedt | M | United States | 1992 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Elk | Ken | Eichstaedt | M | United States | 1994 Furnace Creek 508 | N/A | Solo | FIN | 38:25:49 | |||
| Emily Bear | Kirk | Gentle | M | Houston | Texas | United States | 2009 Furnace Creek 508 | 53 | Solo | DNF | ||
| Emperor Dragonfly | Mark | Longwell | M | Acton | Maine | United States | 2007 Furnace Creek 508 | 47 | Solo | DNF | ||
| Emperor Moth | Brian | Davidson | M | El Segundo | California | United States | 2007 Furnace Creek 508 | 29 | Solo | FIN | 36:05:08 | |
| Emperor Moth | Brian | Davidson | M | El Segundo | California | United States | 2008 Furnace Creek 508 | 30 | Solo | FIN | 33:25:35 | |
| Emperor Tamarin | Brian | Davidson | M | Hawthorne | California | United States | 2010 Furnace Creek 508 | 32 | Two Man | FIN | ||
| Emperor Tamarin | Maxwell | Lucas | M | Manhattan Beach | California | United States | 2010 Furnace Creek 508 | 26 | Two Man | FIN | ||
| Empress Penguin | Lisa | Smith-Batchen | F | Victor | Idaho | United States | 2007 Furnace Creek 508 | 47 | Solo | DNF | ||
| Empress Penguin | Lisa | Smith-Batchen | F | Tucson | Arizona | United States | 2008 Furnace Creek 508 | 48 | Solo | DNF | ||
| Emu | Jay | Brown | M | Hendersonville | Tennessee | United States | 2002 Furnace Creek 508 | 38 | Four Man | FIN | ||
| Emu | Darlene | Oliver | M | Nashville | Tennessee | United States | 2002 Furnace Creek 508 | 32 | Four Man | FIN | ||
| Emu | Michael | Sicard | M | Nashville | Tennessee | United States | 2002 Furnace Creek 508 | 33 | Four Man | FIN | ||
| Emu | Clayton | Vigrass | M | St. Petersburg | Florida | United States | 2002 Furnace Creek 508 | 35 | Four Man | FIN | ||
| Escape Goat | Josh | Talley | M | Santa Monica | California | United States | 2010 Furnace Creek 508 | 38 | Solo | FIN | ||
| European Wild Cat | Andrew | Melczer | M | Garden Grove | California | United States | 2008 Furnace Creek 508 | 46 | Solo | FIN | 42:03:26 | |
| Fabled Tortoise | Bruce | Carroll | M | Oakland | California | United States | 2008 Furnace Creek 508 | 54 | Solo | FIN | 34:30:35 | |
| Falcons | Gary | Baierl | M | Aliso Viejo | California | United States | 2001 Furnace Creek 508 | 34 | Four Man | FIN | 26:46:00 | |
| Falcons | Thomas | Berube | M | Chicago | Illinois | United States | 2001 Furnace Creek 508 | 37 | Four Man | FIN | 26:46:00 | |
| Falcons | Paul | Kingsbury | M | Elmira | New York | United States | 2001 Furnace Creek 508 | 40 | Four Man | FIN | 26:46:00 | |
| Falcons | Jim | Ryan | M | Denver | Colorado | United States | 2001 Furnace Creek 508 | 40 | Four Man | FIN | 26:46:00 | |
| Falcons | Paul | Kingsbury | M | Elmira | New York | United States | 2002 Furnace Creek 508 | 41 | Four Man | FIN | 26:24:37 | |
| Falcons | Stuart | Kroonenburg | M | Highlands Ranch | Colorado | United States | 2002 Furnace Creek 508 | 33 | Four Man | FIN | 26:24:37 | |
| Falcons | Jim | Reed | M | Elmira | New York | United States | 2002 Furnace Creek 508 | 41 | Four Man | FIN | 26:24:37 | |
| Falcons | Jim | Ryan | M | Denver | Colorado | United States | 2002 Furnace Creek 508 | 41 | Four Man | FIN | 26:24:37 | |
| Falcons | Gary | Baierl | M | Santa Monica | California | United States | 2004 Furnace Creek 508 | 37 | Four Man | FIN | 34:00:15 | |
| Falcons | Jim | Ryan | M | Sammamish | Washington | United States | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 34:00:15 | |
| Falcons | Tom | Truong | M | Dublin | California | United States | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 34:00:15 | |
| Falcons | Colin | Wright | M | Sunnyvale | California | United States | 2004 Furnace Creek 508 | 46 | Four Man | FIN | 34:00:15 | |
| Fast Rabbit | Jennifer | Flenner | F | Ridgecrest | California | United States | 2006 Furnace Creek 508 | 31 | Solo | FIN | 45:05:48 | RAAM Qualified |
| Fast Truck Gecko | Kenny | Souza | M | San Marcos | California | United States | 2005 Furnace Creek 508 | 40 | Solo | FIN | 27:15:21 | |
| Fast Truck Gecko | Kenny | Souza | M | San Marcos | California | United States | 2006 Furnace Creek 508 | 41 | Solo | DNF | ||
| Fast Truck Gecko | Kenny | Souza | M | San Marcos | California | United States | 2007 Furnace Creek 508 | 42 | Solo | DNF | ||
| Fearless Fly | Ed | Fleming | M | Huston | Texas | United States | 2000 Furnace Creek 508 | 45 | Solo | FIN | 44:05:33 | |
| Fennec Fox | Michael J. | Fox | M | Edmond | Oklahoma | United States | 2003 Furnace Creek 508 | 40 | Solo | DNF | ||
| Fennec Fox | Michael J. | Fox | M | Edmond | Oklahoma | United States | 2004 Furnace Creek 508 | 41 | Solo | FIN | 46:42:30 | |
| Ferret | Leonard | Fieber | M | United States | 1996 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Fire Ants | Roehl | Caragao | M | Bakersfield | California | United States | 2002 Furnace Creek 508 | 39 | Tandem Mixed | FIN | 31:11:33 | Record |
| Fire Ants | Marvis | Friesen | F | Bakersfield | California | United States | 2002 Furnace Creek 508 | 55 | Tandem Mixed | FIN | 31:11:33 | Record |
| Fire Ants | Emmy | Klassen | F | Bakersfield | California | United States | 2002 Furnace Creek 508 | 44 | Tandem Mixed | FIN | 31:11:33 | Record |
| Fire Ants | Mike | Moseley | M | Bakersfield | California | United States | 2002 Furnace Creek 508 | 48 | Tandem Mixed | FIN | 31:11:33 | Record |
| Fireflies | Bobbi | Fisher | F | Burbank | California | United States | 2005 Furnace Creek 508 | 56 | Four Mixed | FIN | 34:30:51 | |
| Fireflies | Chris | Hedberg | F | Pasadena | California | United States | 2005 Furnace Creek 508 | 55 | Four Mixed | FIN | 34:30:51 | |
| Fireflies | David | Nakai | M | Fallbrook | California | United States | 2005 Furnace Creek 508 | 49 | Four Mixed | FIN | 34:30:51 | |
| Fireflies | Ron | Smith | M | Chula Vista | California | United States | 2005 Furnace Creek 508 | 37 | Four Mixed | FIN | 34:30:51 | |
| Fisher Weasel | Jared | Fischer | M | Las Vegas | Nevada | United States | 2008 Furnace Creek 508 | 38 | Solo | DQ | ||
| Flamingo | Reed | Finfrock | M | California | United States | 1992 Furnace Creek 508 | 46 | Solo | DNF | |||
| Flamingo | Reed | Finfrock | M | Filmore | California | United States | 1993 Furnace Creek 508 | 47 | Solo | FIN | 42:18:15 | |
| Flamingo | Reed | Finfrock | M | California | United States | 1994 Furnace Creek 508 | 48 | Solo | FIN | 32:26:37 | 2nd solo finish | |
| Flamingo | Reed | Finfrock | M | California | United States | 1995 Furnace Creek 508 | 49 | Solo | FIN | 33:22:15 | 3rd solo finish | |
| Flamingo | Reed | Finfrock | M | California | United States | 1997 Furnace Creek 508 | 51 | Solo | FIN | 34:52:34 | 4th solo finish | |
| Flamingo | Reed | Finfrock | M | Springville | California | United States | 1999 Furnace Creek 508 | 53 | Solo | FIN | 32:45:07 | |
| Flamingo | Reed | Finfrock | M | Springville | California | United States | 2002 Furnace Creek 508 | 56 | Solo | FIN | 34:41:51 | Pre. Qual. |
| Flamingo | Reed | Finfrock | M | Springville | California | United States | 2003 Furnace Creek 508 | 57 | Solo | DNF | ||
| Flamingo | Reed | Finfrock | M | Springville | California | United States | 2006 Furnace Creek 508 | 60 | Solo | FIN | 33:58:12 | |
| Flamingo | Reed | Finfrock | M | Springville | California | United States | 2007 Furnace Creek 508 | 61 | Solo | FIN | 32:10:30 | |
| Flamingo | Reed | Finfrock | M | Springville | California | United States | 2008 Furnace Creek 508 | 62 | Solo | FIN | 32:59:33 | |
| Flamingo | Reed | Finfrock | M | Springville | California | United States | 2010 Furnace Creek 508 | 64 | Solo | FIN | ||
| Flicker | Michael | Wolfe | M | Portland | Oregon | United States | 2006 Furnace Creek 508 | 32 | Solo Recumbent | FIN | 35:49:13 | RAAM Qual'd; Age Group and overall Stock recumbent course record |
| Flounder | Chaz | Fetrow | M | Cotati | California | United States | 1994 Furnace Creek 508 | 29 | Solo | FIN | 37:12:27 | |
| Flying Abalone | David | Thompson | M | San Francisco | California | United States | 2005 Furnace Creek 508 | 42 | Solo | DNF | ||
| Flying Chamois | John | Lauer | M | Elk Grove | California | United States | 2008 Furnace Creek 508 | 45 | Solo Recumbent | FIN | 32:13:18 | |
| Flying Eagle | Scott | Gower | M | Atascadero | California | United States | 2009 Furnace Creek 508 | 45 | Solo | FIN | 39:53:15 | |
| Flying Eagle | Scott | Gower | M | Atascadero | California | United States | 2010 Furnace Creek 508 | 46 | Solo | FIN | ||
| Flying Fish | Chris | Frost | M | Malibu | California | United States | 2002 Furnace Creek 508 | 51 | Solo | DNF | ||
| Flying Fish | Chris | Frost | M | Malibu | California | United States | 2006 Furnace Creek 508 | 55 | Solo | DNF | ||
| Flying Fishstix | Chris | Frost | M | Malibu | California | United States | 2007 Furnace Creek 508 | 56 | Two Mixed | FIN | 38:14:28 | |
| Flying Fishstix | Julie | Kennedy | F | San Gabriel | California | United States | 2007 Furnace Creek 508 | 51 | Two Mixed | FIN | 38:14:28 | |
| Flying Fishstix | Louise | Cooper | F | West Hills | California | United States | 2008 Furnace Creek 508 | 55 | Two Mixed | FIN | 34:38:28 | |
| Flying Fishstix | Chris | Frost | M | Malibu | California | United States | 2008 Furnace Creek 508 | 57 | Two Mixed | FIN | 34:38:28 | |
| Flying Fox | Jose | Raposo | M | Valencia | California | United States | 2010 Furnace Creek 508 | 55 | Solo | FIN | ||
| Flying Pig | Martin | Dressman | M | Cincinnati | Ohio | United States | 2006 Furnace Creek 508 | 42 | Solo | DNF | ||
| Flying Squirrel | Paul | Fabish | M | United States | April 1989 RAAM Open West | 30 | Solo | DNF | ||||
| Flying Squirrel | Paul | Fabish | M | United States | June 1989 RAAM Open West | 30 | Solo | DNF | ||||
| Flying Squirrel | Paul | Fabish | M | United States | 1994 Furnace Creek 508 | 35 | Solo | DNF | ||||
| Flying Squirrel | Paul | Fabish | M | United States | 1995 Furnace Creek 508 | 36 | Solo | FIN | 40:31:03 | |||
| Flying Voles | Keith | Laird | M | Ventura | California | United States | 2009 Furnace Creek 508 | 55 | Two Man | DNF | ||
| Flying Voles | Joel | Sothern | M | Laguna Niguel | California | United States | 2009 Furnace Creek 508 | 52 | Two Man | DNF | ||
| Flying Voles | Keith | Laird | M | Ventura | California | United States | 2010 Furnace Creek 508 | 56 | Two Man | FIN | ||
| Flying Voles | Joel | Sothern | M | Thousand Oaks | California | United States | 2010 Furnace Creek 508 | 53 | Two Man | FIN | ||
| Foals | David | Bradley | M | Arcata | California | United States | 2005 Furnace Creek 508 | 46 | Four Man | FIN | 33:02:02 | |
| Foals | John T. | Clare | M | Long Beach | California | United States | 2005 Furnace Creek 508 | 64 | Four Man | FIN | 33:02:02 | |
| Foals | Rick | Jacobson | M | Reseda | California | United States | 2005 Furnace Creek 508 | 47 | Four Man | FIN | 33:02:02 | |
| Foals | Ira | Kucheck | M | Newport Beach | California | United States | 2005 Furnace Creek 508 | 49 | Four Man | FIN | 33:02:02 | |
| Foo Dogs | Linda | Bott | F | Ventura | California | United States | 2009 Furnace Creek 508 | 52 | Two Tandem Mixed | FIN | 38:48:03 | |
| Foo Dogs | Foster | Nagaoka | M | Ventura | California | United States | 2009 Furnace Creek 508 | 51 | Two Tandem Mixed | FIN | 38:48:03 | |
| Foo Dogs | Anna | Stewart | F | Janesville | California | United States | 2009 Furnace Creek 508 | 48 | Two Tandem Mixed | FIN | 38:48:03 | |
| Foo Dogs | Rick | Stewart | M | Janesville | California | United States | 2009 Furnace Creek 508 | 51 | Two Tandem Mixed | FIN | 38:48:03 | |
| Foxhound | Matt | Ford | M | Mission Viejo | California | United States | 1993 Furnace Creek 508 | N/A | Solo | DNF | ||
| Foxhound | Matt | Ford | M | Mission Viejo | California | United States | 1994 Furnace Creek 508 | N/A | Solo | FIN | 39:12:31 | |
| Francolin | Frank | Fumich | M | Arlington | Virginia | United States | 2010 Furnace Creek 508 | 43 | Solo | FIN | ||
| French Frog | Pascal | Pechallat | M | Lyon | France | 2006 Furnace Creek 508 | 42 | Solo | DNF | |||
| Frigate Bird | Cliff | Rigsbee | M | Honolulu | Hawaii | United States | 2009 Furnace Creek 508 | 56 | Solo | DNF | ||
| Frog | Keith | Fraser | M | Vancouver | British Columbia | Canada | 1994 Furnace Creek 508 | N/A | Solo | DNF | ||
| Frog Dog | Pierre | Ostor | M | White Bear Lake | Minnesota | United States | 2009 Furnace Creek 508 | 53 | Solo | DNF | ||
| Froggy | Tracy | Fawns | F | Bend | Oregon | United States | 2001 Furnace Creek 508 | 30 | Solo | DNF | ||
| Fruit Bat | Tom | Bower | M | San Diego | California | United States | 2006 Furnace Creek 508 | 52 | Four Man | FIN | 29:15:30 | |
| Fruit Bat | Ronald | Flagg | M | San Diego | California | United States | 2006 Furnace Creek 508 | 38 | Four Man | FIN | 29:15:30 | |
| Fruit Bat | Justin | Lucke | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 32 | Four Man | FIN | 29:15:30 | |
| Fruit Bat | Bradley | Saul | M | Playa Del Rey | California | United States | 2006 Furnace Creek 508 | 28 | Four Man | FIN | 29:15:30 | |
| Gallus Gallus | Martin | Kristensen | M | Copenhagen | Denmark | 2006 Furnace Creek 508 | 32 | Two Mixed | FIN | 28:20:31 | ||
| Gallus Gallus | Christina | Peick | F | Copenhagen | Denmark | 2006 Furnace Creek 508 | 32 | Two Mixed | FIN | 28:20:31 | ||
| Gallus Gallus | Martin | Kristensen | M | Copenhagen | Denmark | Denmark | 2007 Furnace Creek 508 | 33 | Solo | DNF | ||
| Gargoyle | Joe | Garza | M | Henderson | Nevada | United States | 2005 Furnace Creek 508 | 34 | Solo | FIN | 33:27:33 | |
| Garuda | Cara | Gillis | F | Huntington Beach | California | United States | 2008 Furnace Creek 508 | 30 | Two Woman | DNF | ||
| Garuda | Claudine | Kelly | F | Stanford | Connecticut | United States | 2008 Furnace Creek 508 | 38 | Two Woman | DNF | ||
| Gastropod | Dan | Crain | M | Irvine | California | United States | 2000 Furnace Creek 508 | 55 | Four Man | FIN | 28:35:01 | |
| Gastropod | Charles | Griffice | M | Orange | California | United States | 2000 Furnace Creek 508 | 51 | Four Man | FIN | 28:35:01 | |
| Gastropod | Dave | Kessler | M | Santa Monica | California | United States | 2000 Furnace Creek 508 | 49 | Four Man | FIN | 28:35:01 | |
| Gastropod | Tom | Parkes | M | Santa Ana | California | United States | 2000 Furnace Creek 508 | 56 | Four Man | FIN | 28:35:01 | |
| Gazelle | Frank | Goulard | M | Beaverton | Oregon | United States | 1992 Furnace Creek 508 | 40 | Solo | FIN | 35:40:45 | |
| Gazelle | Frank | Goulard | M | Lake Oswego | Oregon | United States | 1993 Furnace Creek 508 | 41 | Solo | DNF | ||
| Gazelle | Frank | Goulard | M | Lake Oswego | Oregon | United States | 1994 Furnace Creek 508 | 42 | Solo | DNF | ||
| Gecko | Charles | Giles | M | Tucson | Arizona | United States | 1997 Furnace Creek 508 | 57 | Solo | DNF | dehydration | |
| Gecko | Charles | Giles | M | Tuson | Arizona | United States | 2000 Furnace Creek 508 | 60 | Solo | DNF | ||
| Gecko | Charles | Giles | M | Tucson | Arizona | United States | 2001 Furnace Creek 508 | 61 | Solo | DNF | ||
| Gecko | Charles | Giles | M | Tucson | Arizona | United States | 2003 Furnace Creek 508 | 63 | Solo | DNF | ||
| Gerbil | Gerald | Goode | M | Tucson | Arizona | United States | 2004 Furnace Creek 508 | 65 | Solo | DNF | crash | |
| Gerbil | Gerald | Goode | M | Tucson | Arizona | United States | 2005 Furnace Creek 508 | 66 | Solo | FIN | 37:38:52 | |
| Giant Water Bug | Lindsey | Gray | F | Henderson | Nevada | United States | 2005 Furnace Creek 508 | 17 | Tandem Mixed | DNF | ||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | United States | 2005 Furnace Creek 508 | 44 | Tandem Mixed | DNF | ||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | United States | 2006 Furnace Creek 508 | 45 | Solo | FIN | 47:55:50 | |
| Giant Water Bug | Lindsey | Gray | F | Henderson | Nevada | United States | 2007 Furnace Creek 508 | 19 | Solo Tandem | DNF | ||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | United States | 2007 Furnace Creek 508 | 45 | Solo Tandem | DNF | ||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | United States | 2008 Furnace Creek 508 | 46 | Solo Classic | FIN | 44:03:36 | First ever finisher, Classic Bike Division |
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | United States | 2009 Furnace Creek 508 | 48 | Solo | DNF | ||
| Giant Water Bug | Steve | Gray | M | Henderson | Nevada | United States | 2010 Furnace Creek 508 | 49 | Solo Classic | FIN | ||
| Gila Monster | Tom | Nieman | M | Arizona | United States | 1994 Furnace Creek 508 | 38 | Solo | DNF | |||
| Gila Monster | Tom | Nieman | M | Tucson | Arizona | United States | 1999 Furnace Creek 508 | 43 | Solo | DNF | TS2 - "just done" | |
| Giraffe | Jodi | Groesbeck | F | Sharon | New Hampshire | United States | 1993 Furnace Creek 508 | 34 | Solo | FIN | 41:31:28 | |
| Gnu | Nick | Gerlich | M | Canyon | Texas | United States | October 1990 RAAM Open West | 31 | Solo | DNF | ||
| Gnu | Nick | Gerlich | M | Canyon | Texas | United States | 1995 Furnace Creek 508 | 36 | Solo | FIN | 30:07:40 | |
| Goat | Morgan | Beeby | M | Los Angeles | California | United States | 2005 Furnace Creek 508 | 27 | Solo | FIN | 40:41:48 | |
| Godwit | Cara | Gillis | F | Huntington Beach | California | United States | 2009 Furnace Creek 508 | 31 | Two Mixed | FIN | 33:13:53 | |
| Godwit | Jeff | Lawler | M | Huntington Beach | California | United States | 2009 Furnace Creek 508 | 39 | Two Mixed | FIN | 33:13:53 | |
| Godwit | Cara | Gillis | F | Los Angeles | California | United States | 2010 Furnace Creek 508 | 32 | Two Mixed | FIN | ||
| Godwit | Jeff | Lawler | M | Los Angeles | California | United States | 2010 Furnace Creek 508 | 40 | Two Mixed | FIN | ||
| Godzilla | Karta | Atehortua | M | Palo Alto | California | United States | 2007 Furnace Creek 508 | 30 | Solo Recumbent | FIN | 41:56:33 | |
| Golden Dragon | Nicole | Honda | F | San Mateo | California | United States | 2005 Furnace Creek 508 | 39 | Solo | FIN | 42:18:17 | |
| Golden Dragon | Nicole | Honda | F | San Mateo | California | United States | 2007 Furnace Creek 508 | 41 | Solo | FIN | 39:52:59 | |
| Golden Drasenji | Bernie | Barge | M | San Miguel | California | United States | 2006 Furnace Creek 508 | 46 | Two Mixed | FIN | 38:21:23 | |
| Golden Drasenji | Nicole | Honda | F | San Mateo | California | United States | 2006 Furnace Creek 508 | 40 | Two Mixed | FIN | 38:21:23 | |
| Golden Eagle | Patrick | Cande | M | Papeete | French Polynesia | 2005 Furnace Creek 508 | 48 | Solo | FIN | 36:52:12 | ||
| Golden Gyrfalcon | Nicole | Honda | F | Ventura | California | United States | 2009 Furnace Creek 508 | 43 | Two Mixed Classic | FIN | 36:23:34 | |
| Golden Gyrfalcon | Jim | Swarzman | M | Encino | California | United States | 2009 Furnace Creek 508 | 45 | Two Mixed Classic | FIN | 36:23:34 | |
| Golden Jackal | Bill | Bradley | M | Santa Rosa | California | United States | 2007 Furnace Creek 508 | 47 | Solo | FIN | 46:14:32 | |
| Golden Sun Dragon | Margie M. | Biddick | F | Aptos | California | United States | 2004 Furnace Creek 508 | 46 | Two Woman | FIN | 36:41:15 | |
| Golden Sun Dragon | Nicole | Honda | F | San Mateo | California | United States | 2004 Furnace Creek 508 | 38 | Two Woman | FIN | 36:41:15 | |
| Goose | Gilles | Robert | M | Hawkesbury | Ontario | Canada | 1994 Furnace Creek 508 | N/A | Solo | DNF | ||
| Gorilla | Greg | Geser | M | Sisters | Oregon | United States | 2002 Furnace Creek 508 | 49 | Solo | FIN | 33:52:35 | New Qual. |
| Gorilla | Greg | Geser | M | Sisters | Oregon | United States | 2003 Furnace Creek 508 | 50 | Solo | DNF | ||
| Gorilla | Greg | Geser | M | Sisters | Oregon | United States | 2004 Furnace Creek 508 | 51 | Solo | DNF | exhaustion | |
| Gorilla | Greg | Geser | M | Sisters | Oregon | United States | 2005 Furnace Creek 508 | 52 | Solo | DNF | ||
| Gorilla | Greg | Geser | M | Sisters | Oregon | United States | 2007 Furnace Creek 508 | 54 | Solo | DNF | ||
| GosHawk | Wayne | Greenway | M | Moraga | California | United States | 1999 Furnace Creek 508 | 40 | Solo | FIN | 35:35:28 | RQ |
| Grasshopper | Clayton | Gardinier | M | United States | 1996 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Grasshopper | Clayton | Gardinier | M | United States | 1997 Furnace Creek 508 | 45 | Solo | DNF | stomach | |||
| Grasshopper 2 | David | Neff | M | Fair Oaks | California | United States | 2010 Furnace Creek 508 | 62 | Solo | FIN | ||
| Gray Fox | Kenneth | Isaak | M | Santa Ana | California | United States | 2005 Furnace Creek 508 | 42 | Four Man | FIN | 30:22:41 | |
| Gray Fox | Barry | Martin | M | San Diego | California | United States | 2005 Furnace Creek 508 | 53 | Four Man | FIN | 30:22:41 | |
| Gray Fox | Lance | Martini | M | San Diego | California | United States | 2005 Furnace Creek 508 | 50 | Four Man | FIN | 30:22:41 | |
| Gray Fox | Chris | Roberts | M | Playa Del Rey | California | United States | 2005 Furnace Creek 508 | 50 | Four Man | FIN | 30:22:41 | |
| Gray Fox | Barry | Martin | M | Fremont | California | United States | 2006 Furnace Creek 508 | 54 | Four Man | FIN | 31:40:10 | |
| Gray Fox | Lance | Martini | M | Castro Valley | California | United States | 2006 Furnace Creek 508 | 51 | Four Man | FIN | 31:40:10 | |
| Gray Fox | Ed | Meers | M | Union City | California | United States | 2006 Furnace Creek 508 | 50 | Four Man | FIN | 31:40:10 | |
| Gray Fox | Chris | Roberts | M | Milpitas | California | United States | 2006 Furnace Creek 508 | 51 | Four Man | FIN | 31:40:10 | |
| Gray Wolf | James | Silence | M | Duarte | California | United States | 2005 Furnace Creek 508 | 46 | Solo | DNF | ||
| Gray Wolf | Ross | Rader | M | Toronto | Ontario | Canada | 2009 Furnace Creek 508 | 38 | Solo | FIN | 39:41:43 | |
| Graywolf | James | Silence | M | Duarte | California | United States | 2002 Furnace Creek 508 | 43 | Solo | DNF | ||
| Great Dane | Gregory | Sherman | M | Chula Vista | California | United States | 2006 Furnace Creek 508 | 40 | Solo | DNF | ||
| Great Dane | Gregory | Sherman | M | Chula Vista | California | United States | 2009 Furnace Creek 508 | 43 | Solo | DNF | ||
| Great Gray Owls | Stefan | Apitz | M | Pittsburg | California | United States | 2006 Furnace Creek 508 | 42 | Four Man | FIN | 34:47:55 | |
| Great Gray Owls | Tom | Erceg | M | Mississauga | Ontario | Canada | 2006 Furnace Creek 508 | 44 | Four Man | FIN | 34:47:55 | |
| Great Gray Owls | Russell | Jones | M | Pittsburg | California | United States | 2006 Furnace Creek 508 | 46 | Four Man | FIN | 34:47:55 | |
| Great Gray Owls | Stephen | Wickland | M | San Diego | California | United States | 2006 Furnace Creek 508 | 49 | Four Man | FIN | 34:47:55 | |
| Grebe | Greg | Hendrickson | M | Laguna Beach | California | United States | 2010 Furnace Creek 508 | 43 | Solo | FIN | ||
| Greyhound | Joern | Gersbeck | M | Germany | 1998 Furnace Creek 508 | 29 | Solo | FIN | 33:33:20 | |||
| Griffin | Kevin | Griffin | M | United States | 1998 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Griffin | Kevin | Griffin | M | San Carlos | California | United States | 1999 Furnace Creek 508 | 45 | Solo | DNF | TS2 - heat | |
| Griffin | Kevin | Griffin | M | Woodside | California | United States | 2005 Furnace Creek 508 | 51 | Solo | FIN | 36:39:54 | |
| Griffin | Kevin | Griffin | M | Woodside | California | United States | 2006 Furnace Creek 508 | 52 | Solo | FIN | 37:50:24 | RAAM Qualified |
| Grizz | Kevin | Baer | M | Moorpark | California | United States | 2004 Furnace Creek 508 | 42 | Two Man | FIN | 36:05:21 | |
| Grizz | Joe | Brown | M | Simi Valley | California | United States | 2004 Furnace Creek 508 | 60 | Two Man | FIN | 36:05:21 | |
| Grizzly | Kevin | Baer | M | Moorpark | California | United States | 2003 Furnace Creek 508 | 41 | Solo | FIN | 43:51:40 | |
| Grouper | Larry | Goshorn | M | United States | 1996 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Grouse | Russ | Goodwin | M | United States | October 1990 RAAM Open West | 31 | Solo | DNF | ||||
| Grouse | Russ | Goodwin | M | Sierra Vista | Arizona | United States | 2002 Furnace Creek 508 | 43 | Solo | DNF | ||
| Guanaco | Dan | Sauers | M | Sunnyvale | California | United States | 2008 Furnace Creek 508 | 57 | Solo | FIN | 37:34:37 | |
| Guinea Pig | Gregg | Kilcoyne | M | Copper Mountain | Colorado | United States | 2001 Furnace Creek 508 | 27 | Solo | DNF | ||
| Guinea Pig | Gregg | Kilcoyne | M | Copper Mountain | Colorado | United States | 2002 Furnace Creek 508 | 28 | Solo | DNF | ||
| Guinea Pig | Gregg | Kilcoyne | M | Copper Mountain | Colorado | United States | 2004 Furnace Creek 508 | 30 | Solo | DNF | ||
| Gulo Gulo | Lori | Cherry | F | Fresno | California | United States | 2008 Furnace Creek 508 | 50 | Two Mixed | FIN | 30:16:17 | |
| Gulo Gulo | Kevin | Walsh | M | Lancaster | California | United States | 2008 Furnace Creek 508 | 51 | Two Mixed | FIN | 30:16:17 | |
| Gummer Bears | Bill | Peschka | M | Chandler | Arizona | United States | 2006 Furnace Creek 508 | 57 | Two Mixed | FIN | 42:24:20 | |
| Gummer Bears | Carrie | White | F | Mesa | Arizona | United States | 2006 Furnace Creek 508 | 49 | Two Mixed | FIN | 42:24:20 | |
| Guppy | Gregory W. | Giltner | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 28 | Solo | DNF | TS1 - "not ready to meet God" | |
| Guppy | Gregory W. | Giltner | M | Bakersfield | California | United States | 2000 Furnace Creek 508 | 29 | Solo | DNF | ||
| Gyrfalcon | Jim | Swarzman | M | Encino | California | United States | 2010 Furnace Creek 508 | 46 | Solo Classic | FIN | ||
| Hammer Frogs | Lori | Cherry | F | Fresno | California | United States | 2009 Furnace Creek 508 | 51 | Four Woman | FIN | 32:39:33 | |
| Hammer Frogs | Jennie | Phillips | F | Danville | California | United States | 2009 Furnace Creek 508 | 48 | Four Woman | FIN | 32:39:33 | |
| Hammer Frogs | Rebecca | Rising | F | Sanger | California | United States | 2009 Furnace Creek 508 | 30 | Four Woman | FIN | 32:39:33 | |
| Hammer Frogs | Jeanine | Spence | F | Fresno | California | United States | 2009 Furnace Creek 508 | 45 | Four Woman | FIN | 32:39:33 | |
| Hammer Frogs | Lori | Cherry | F | Fresno | California | United States | 2010 Furnace Creek 508 | 52 | Four Woman | FIN | ||
| Hammer Frogs | Isabelle | Drake | F | Laguna Beach | California | United States | 2010 Furnace Creek 508 | 57 | Four Woman | FIN | ||
| Hammer Frogs | Jennie | Phillips | F | Danville | California | United States | 2010 Furnace Creek 508 | 49 | Four Woman | FIN | ||
| Hammer Frogs | Jeanine | Spence | F | Fresno | California | United States | 2010 Furnace Creek 508 | 46 | Four Woman | FIN | ||
| Hammerdillo | Brenda | Barnell | F | Dallas | Texas | United States | 2010 Furnace Creek 508 | 46 | Two Tandem Mixed | FIN | ||
| Hammerdillo | Nadine | Howard | F | Regina | Saskatchewan | Canada | 2010 Furnace Creek 508 | 38 | Two Tandem Mixed | FIN | ||
| Hammerdillo | Carl | Moler | M | Yorba Linda | California | United States | 2010 Furnace Creek 508 | 61 | Two Tandem Mixed | FIN | ||
| Hammerdillo | Joe | Petersen | M | Bakersfield | California | United States | 2010 Furnace Creek 508 | 52 | Two Tandem Mixed | FIN | ||
| Hammerhead | Ron | Jones | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | 37 | Four Mixed | FIN | 24:13:38 | Course Record: Open Format |
| Hammerhead | Joe | Petersen | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | 39 | Four Mixed | FIN | 24:13:38 | Course Record: Open Format |
| Hammerhead | Pam | Traynor | F | Bakersfield | California | United States | 1997 Furnace Creek 508 | 32 | Four Mixed | FIN | 24:13:38 | Course Record: Open Format |
| Hammerhead | Kris | Woolsey | F | Bakersfield | California | United States | 1997 Furnace Creek 508 | 31 | Four Mixed | FIN | 24:13:38 | Course Record: Open Format |
| Hammerhead | Debbie | Finn | F | Capistrano Beach | California | United States | 2001 Furnace Creek 508 | 40 | Four Mixed | FIN | 27:44:00 | |
| Hammerhead | Rick | Hixson | M | Bakersfield | California | United States | 2001 Furnace Creek 508 | 48 | Four Mixed | FIN | 27:44:00 | |
| Hammerhead | Linda | Marschang | F | Bakersfield | California | United States | 2001 Furnace Creek 508 | 42 | Four Mixed | FIN | 27:44:00 | |
| Hammerhead | Joe | Petersen | M | Bakersfield | California | United States | 2001 Furnace Creek 508 | 43 | Four Mixed | FIN | 27:44:00 | |
| Hammerhead | Jarret | Kennedy | M | Bakersfield | California | United States | 2005 Furnace Creek 508 | 29 | Four Man | FIN | 24:56:10 | |
| Hammerhead | Kevin | McNulty | M | Ramona | California | United States | 2005 Furnace Creek 508 | 41 | Four Man | FIN | 24:56:10 | |
| Hammerhead | Joe | Petersen | M | Bakersfield | California | United States | 2005 Furnace Creek 508 | 47 | Four Man | FIN | 24:56:10 | |
| Hammerhead | John | Stephenson | M | Bakersfield | California | United States | 2005 Furnace Creek 508 | 46 | Four Man | FIN | 24:56:10 | |
| Hammerhead | Kevin | McNulty | M | Ramona | California | United States | 2006 Furnace Creek 508 | 42 | Two Man | FIN | 26:16:25 | |
| Hammerhead | Joe | Petersen | M | Bakersfield | California | United States | 2006 Furnace Creek 508 | 48 | Two Man | FIN | 26:16:25 | |
| Hammerhead | Kevin | McNulty | M | Ramona | California | United States | 2007 Furnace Creek 508 | 43 | Two Man | FIN | 25:56:28 | |
| Hammerhead | Joe | Petersen | M | Bakersfield | California | United States | 2007 Furnace Creek 508 | 49 | Two Man | FIN | 25:56:28 | |
| Hammerkop | Doris | Bingo | F | Anaheim | California | United States | 2007 Furnace Creek 508 | 44 | Two Mixed | FIN | 34:13:37 | |
| Hammerkop | Greg | Kibble | M | Lake Forest | California | United States | 2007 Furnace Creek 508 | 64 | Two Mixed | FIN | 34:13:37 | |
| Hamster | John | Hughes | M | Portola Valley | California | United States | April 1989 RAAM Open West | 39 | Solo | FIN | 30:54:00 | 1st winner on 508 route |
| Hamster | John | Hughes | M | Portola Valley | California | United States | 1993 Furnace Creek 508 | 44 | Solo | FIN | 32:24:55 | 2nd solo finish |
| Hare | Rick | Jacobson | M | Reseda | California | United States | 2006 Furnace Creek 508 | 48 | Solo | DNF | ||
| Hare | Rick | Jacobson | M | Reseda | California | United States | 2007 Furnace Creek 508 | 49 | Solo | FIN | 46:40:34 | |
| Harpy Eagle | Stephen | Nelson | M | Wimbledon | United Kingdom | 2003 Furnace Creek 508 | 40 | Solo | FIN | 39:26:12 | ||
| Harrier | Bob | Harting | M | United States | 1998 Furnace Creek 508 | 50 | Solo | DNF | ||||
| Harris | Christi | Hawk | F | Middleton | Idaho | United States | 1999 Furnace Creek 508 | 36 | Solo | DNF | TS4 - stomach | |
| Hawaiian Owl | Bernadette | Franks-Ongoy | F | Hawaii | United States | 1997 Furnace Creek 508 | 38 | Solo | FIN | 41:43:56 | RAAM Qualifier | |
| Hawk | John | Marino | M | Irvine | California | United States | May 1983 | 31 | Solo | HON | ||
| Hawk Dog | Kiviok | Hight | M | Cortez | Colorado | United States | 2010 Furnace Creek 508 | 40 | Two Man | FIN | ||
| Hawk Dog | Scott | Swaney | M | Littleton | Colorado | United States | 2010 Furnace Creek 508 | 42 | Two Man | FIN | ||
| Hedgehog | Eric | House | M | Palo Alto | California | United States | 1992 Furnace Creek 508 | 30 | Solo | FIN | 29:54:37 | |
| Hedgehog | Eric | House | M | California | United States | 1994 Furnace Creek 508 | 32 | Solo Recumbent | FIN | 35:24:29 | Course Record, 2nd solo finish | |
| Heidelberg Lion | Ted | Miller | M | San Francisco | California | United States | 2010 Furnace Creek 508 | 39 | Solo | FIN | ||
| Heron | Lubomir | Hristov | M | United States | 1997 Furnace Creek 508 | 38 | Solo | FIN | 38:28:24 | RAAM Qualifier | ||
| Heron | Lubomir | Hristov | M | United States | 1998 Furnace Creek 508 | 39 | Solo | FIN | 33:54:10 | 2nd solo finish | ||
| Hippo | Susan | Hall | F | United States | 1994 Furnace Creek 508 | 44 | Tandem Mixed | DNF | ||||
| Hippo | Charlie | Lupo | M | United States | 1994 Furnace Creek 508 | N/A | Tandem Mixed | DNF | ||||
| Hippo #2 | Mikael | Henrikkson | M | Sweden | 1996 Furnace Creek 508 | 32 | Solo | FIN | 34:37:37 | |||
| Hippogriff | Bryce | Walsh | M | Chicago | Illinois | United States | 2005 Furnace Creek 508 | 34 | Solo | FIN | 31:39:29 | |
| Hippogriff | Bryce | Walsh | M | Chicago | Illinois | United States | 2007 Furnace Creek 508 | 36 | Solo | FIN | 36:16:19 | |
| Hoary Marmot | John Henry | Maurice | M | Keizer | Oregon | United States | 2006 Furnace Creek 508 | 51 | Solo | FIN | 41:23:02 | |
| Hobo Spiders | Joel | Ahlum | M | Jackson | Wyoming | United States | 2010 Furnace Creek 508 | 25 | Two Man | FIN | ||
| Hobo Spiders | Bradley | Nolen | M | Jackson | Wyoming | United States | 2010 Furnace Creek 508 | 25 | Two Man | FIN | ||
| Hog | Adrian | Harris | M | United States | 1995 Furnace Creek 508 | 35 | Solo | FIN | 33:10:32 | |||
| Hog | Adrian | Harris | M | United States | 1996 Furnace Creek 508 | 36 | Solo | FIN | 30:13:01 | 2nd solo finish | ||
| Holstein | David | Haase | M | Fond du Lac | Wisconsin | United States | 2007 Furnace Creek 508 | 39 | Solo | FIN | 31:49:48 | |
| Honey Bee | Charles | Hanson | M | Bellflower | California | United States | October 1990 RAAM Open West | 60 | Solo | FIN | 45:31:00 | |
| Honey Bee | Charles | Hanson | M | Apple Valley | California | United States | 2000 Furnace Creek 508 | 70 | Solo | FIN | 73:30:47 | |
| Honu | Brad | Atencio | M | Richland | Washington | United States | 2010 Furnace Creek 508 | 46 | Two Man | FIN | ||
| Honu | Kern | Kostenko | M | Kennewick | Washington | United States | 2010 Furnace Creek 508 | 48 | Two Man | FIN | ||
| Hoodoo | Louise | Comar | F | Atascadero | California | United States | 2006 Furnace Creek 508 | 53 | Solo | FIN | 45:52:56 | RAAM Qualified |
| Hoopoe | Seana | Hogan | F | San Jose | California | United States | October 1991 Furnace Creek 508 | 32 | Solo | FIN | 35:21:07 | |
| Hoopoe | Seana | Hogan | F | San Jose | California | United States | 1992 Furnace Creek 508 | 33 | Solo | DNF | ||
| Hoopoe | Seana | Hogan | F | San Jose | California | United States | 1995 Furnace Creek 508 | 36 | Solo | FIN | 28:46:34 | Course Record, Overall champion, 2nd solo finish |
| Hoopoe | Seana | Hogan | F | San Jose | California | United States | 1996 Furnace Creek 508 | 37 | Solo | FIN | 31:24:53 | 3rd solo finish |
| Hoopoe | Seana | Hogan | F | San Jose | California | United States | 1997 Furnace Creek 508 | 38 | Solo | FIN | 30:03:30 | 4th solo finish |
| Hoopoe | Seana | Hogan | F | Gilroy | California | United States | 2001 Furnace Creek 508 | 42 | Solo | DNF | ||
| Hoopoe | Seana | Hogan | F | Gilroy | California | United States | 2002 Furnace Creek 508 | 43 | Solo | FIN | 35:06:03 | Pre. Qual. |
| Hoopoe | Seana | Hogan | F | Valley Springs | California | United States | 2004 Furnace Creek 508 | 45 | Solo | DNF | ||
| Horned Lizard | Nickademus | Hollon | M | San Diego | California | United States | 2009 Furnace Creek 508 | 19 | Solo | FIN | 44:06:44 | 19-year-old Death Valley Cup finisher! |
| Horned Lizard | Nickademus | Hollon | M | San Diego | California | United States | 2010 Furnace Creek 508 | 20 | Solo | FIN | ||
| Horned Toads | Marvin | Atwood | M | San Diego | California | United States | 2006 Furnace Creek 508 | 55 | Two Mixed | FIN | 34:13:04 | |
| Horned Toads | Pamela | Atwood | F | San Diego | California | United States | 2006 Furnace Creek 508 | 53 | Two Mixed | FIN | 34:13:04 | |
| Hornet | Marie | Handrahan | F | Mesa | Arizona | United States | 1995 Furnace Creek 508 | 43 | Solo | FIN | 45:28:08 | |
| Hornet | Marie | Handrahan | F | Mesa | Arizona | United States | 1996 Furnace Creek 508 | 44 | Solo | DNF | ||
| Hornet | Marie | Handrahan | F | Mesa | Arizona | United States | 1997 Furnace Creek 508 | 45 | Solo | DNF | lost her sting/ability to eat | |
| Hornet | Marie | Handrahan | F | Mesa | Arizona | United States | 2000 Furnace Creek 508 | 48 | Solo | DNF | ||
| Horse | Dan | Dibb | M | Long Beach | California | United States | 1997 Furnace Creek 508 | 40 | Solo | DNF | lost a shoe | |
| Horse | Dan | Dibb | M | Long Beach | California | United States | 1999 Furnace Creek 508 | 42 | Solo | FIN | 45:09:10 | |
| Horse | Dan | Dibb | M | Long Beach | California | United States | 2003 Furnace Creek 508 | 46 | Solo | FIN | 36:30:13 | |
| Horseflies | Dan | Dibb | M | Long Beach | California | United States | 2007 Furnace Creek 508 | 50 | Two Man | FIN | 31:37:20 | |
| Horseflies | Greg | Page | M | Downey | California | United States | 2007 Furnace Creek 508 | 44 | Two Man | FIN | 31:37:20 | |
| House Mouse | Franz | Preihs | M | Graz | Austria | 2007 Furnace Creek 508 | 29 | Solo | FIN | 32:44:50 | ||
| Hummingbird | Mike | Hollenbaugh | M | San Jose | California | United States | 1999 Furnace Creek 508 | 38 | Solo | DNF | TS2 - stomach | |
| Hummingbird | Mike | Hollenbaugh | M | San Jose | California | United States | 2001 Furnace Creek 508 | 40 | Solo | FIN | 36:38:00 | |
| Humpback Whal | Rob | Harris | M | Denver | Colorado | United States | 2003 Furnace Creek 508 | 35 | Solo | DNF | ||
| HumuHumuNukuNukuApuaa | Peter | Mueller | M | Kloten | Switzerland | 2005 Furnace Creek 508 | 43 | Solo | FIN | 36:32:46 | ||
| Husky | Todd | Trzcinski | M | Portland | Oregon | United States | 2001 Furnace Creek 508 | 41 | Solo | FIN | 38:52:00 | |
| Hyena | Richard | Heiss | M | Bakersfield | California | United States | October 1990 RAAM Open West | 33 | Solo | DNF | ||
| Hyena | Richard | Heiss | M | Bakersfield | California | United States | October 1991 Furnace Creek 508 | 34 | Solo | DNF | ||
| Hyena | Richard | Heiss | M | Bakersfield | California | United States | 1992 Furnace Creek 508 | 35 | Solo | DNF | ||
| Hyena | Richard | Heiss | M | Bakersfield | California | United States | 1993 Furnace Creek 508 | 36 | Solo | DNF | ||
| Hyena | Richard | Heiss | M | Bakersfield | California | United States | 1994 Furnace Creek 508 | 37 | Solo | FIN | 35:34:58 | |
| Hyenasaurus | Tom | Davies | M | California | United States | 1997 Furnace Creek 508 | 53 | Tandem Men | DNF | |||
| Hyenasaurus | Richard | Heiss | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | 40 | Tandem Men | DNF | ||
| Hyrax | Niki | Yoblonski | F | Santa Monica | California | United States | 2010 Furnace Creek 508 | 31 | Solo | FIN | ||
| Ibex | Christophe | Basset | M | Pasadena | California | United States | 2003 Furnace Creek 508 | 28 | Solo | DNF | ||
| Ichthyosaurus | Troy | DeLong | M | Elko | Nevada | United States | 2009 Furnace Creek 508 | 41 | Two Man | FIN | 36:50:47 | |
| Ichthyosaurus | Bruce | Frazier | M | Elko | Nevada | United States | 2009 Furnace Creek 508 | 42 | Two Man | FIN | 36:50:47 | |
| Iguana | Christian | Smith | M | Reston | Virginia | United States | 2005 Furnace Creek 508 | 27 | Solo | FIN | 38:35:08 | |
| Impala | A. Mattson | Davis | M | San Francisco | California | United States | 2005 Furnace Creek 508 | 42 | Solo | FIN | 34:06:09 | |
| Inchworm | Lois | Onsum | F | Bakersfield | California | United States | 2001 Furnace Creek 508 | 47 | Two Mixed | FIN | 39:55:00 | |
| Inchworm | Jim | Winfrey | M | Bakersfield | California | United States | 2001 Furnace Creek 508 | 40 | Two Mixed | FIN | 39:55:00 | |
| Iron Horse | Jon | Lieberg | M | Temecula | California | United States | 2007 Furnace Creek 508 | 54 | Two Man | FIN | 35:50:44 | |
| Iron Horse | Jim | Yanoschik | M | Murrieta | California | United States | 2007 Furnace Creek 508 | 51 | Two Man | FIN | 35:50:44 | |
| Ischyodus | Mavis | Irwin | F | Salt Lake City | Utah | United States | 2007 Furnace Creek 508 | 26 | Solo | FIN | 41:26:22 | |
| Ischyodus | Mavis | Irwin | F | Salt Lake City | Utah | United States | 2010 Furnace Creek 508 | 29 | Solo | FIN | ||
| Italian Stallion | Enrico | Bariani | M | Sacramento | California | United States | 2004 Furnace Creek 508 | 38 | Solo | DNF | ||
| Jackal | Dan | Jordan | M | Liberty | Missouri | United States | 2000 Furnace Creek 508 | 34 | Solo | FIN | 34:19:40 | |
| Jackalope | Randy | Ballheim | M | Fort Morgan | Colorado | United States | 2001 Furnace Creek 508 | 39 | Two Man | FIN | 29:24:00 | course record |
| Jackalope | Gary | Kliewer | M | Ft. Morgan | Colorado | United States | 2001 Furnace Creek 508 | 47 | Two Man | FIN | 29:24:00 | course record |
| Jackass | David | Jackson | M | Lexington | Kentucky | United States | 2002 Furnace Creek 508 | 43 | Solo | FIN | 38:56:12 | New Qual./DV Cup |
| Jackrabbit | Merial | Jackson | F | California | United States | 1994 Furnace Creek 508 | N/A | Solo | DNF | |||
| Jaguar | Jeffrey | Martin | M | Antioch | California | United States | 2000 Furnace Creek 508 | 38 | Solo | FIN | 36:49:29 | |
| Jaguar | Jeffrey | Martin | M | Antioch | California | United States | 2008 Furnace Creek 508 | 46 | Solo | FIN | 37:48:58 | |
| Jaguar | Jeffrey | Martin | M | Anchorage | Alaska | United States | 2010 Furnace Creek 508 | 48 | Solo | FIN | ||
| Jaguar Shark | Steve | Edwards | M | Culver City | California | United States | 2005 Furnace Creek 508 | 44 | Solo | DNF | ||
| Japanese Macaque | Jun | Watanabe | M | San Francisco | California | United States | 2008 Furnace Creek 508 | 32 | Solo | FIN | 41:35:25 | |
| Javelina | Robert Kent | Costin | M | Henderson | Nevada | United States | 2004 Furnace Creek 508 | 49 | Four Man | FIN | 36:01:55 | |
| Javelina | Geoffrey M. | Janes | M | Henderson | Nevada | United States | 2004 Furnace Creek 508 | 33 | Four Man | FIN | 36:01:55 | |
| Javelina | Karl | Pohlmann | M | Henderson | Nevada | United States | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 36:01:55 | |
| Javelina | Mike | Young | M | Henderson | Nevada | United States | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 36:01:55 | |
| Jaxartosaurus | Jack | Lindquist | M | Los Angeles | California | United States | 2007 Furnace Creek 508 | 26 | Solo | DNF | ||
| Jellyfish | Jim | Gerpheide | M | California | United States | 1995 Furnace Creek 508 | 40 | Four Man | DNF | |||
| Jellyfish | Steve | King | M | United States | 1995 Furnace Creek 508 | 38 | Four Man | DNF | ||||
| Jellyfish | Jeff | Sale | M | United States | 1995 Furnace Creek 508 | 55 | Four Man | DNF | ||||
| Jellyfish | Brian | Stark | M | Paso Robles | California | United States | 1995 Furnace Creek 508 | 47 | Four Man | DNF | ||
| Kaka | Harvey | Kulka | M | Britton | Michigan | United States | 1999 Furnace Creek 508 | 40 | Solo | DNF | TS2 - exhaustion | |
| Kaka | Harvey | Kulka | M | Britton | Michigan | United States | 2000 Furnace Creek 508 | 41 | Solo | FIN | 42:51:40 | |
| Kakapo | Alexander | Kohan | M | Salem | Oregon | United States | 2008 Furnace Creek 508 | 18 | Solo Recumbent | FIN | 40:49:52 | |
| Kangaroo | Emmy | Klassen | F | Ojai | California | United States | 1993 Furnace Creek 508 | 35 | Solo | FIN | 39:17:37 | |
| Kangaroo | Emmy | Klassen | F | California | United States | 1994 Furnace Creek 508 | 36 | Solo | FIN | 36:10:01 | 2nd solo finish | |
| Kangaroo Rat | Kenneth | Holloway | M | San Jose | California | United States | 2001 Furnace Creek 508 | 49 | Solo | FIN | 35:11:00 | RQ |
| Katydid | Jim | Kraychy | M | Lyons | Colorado | United States | 2002 Furnace Creek 508 | 45 | Solo | FIN | 40:03:16 | |
| Kern River Rainbow Trout | Jim | Bryant | M | Bakersfield | California | United States | 2002 Furnace Creek 508 | 39 | Two Man | FIN | 30:17:23 | |
| Kern River Rainbow Trout | David | Rous | M | Bakersfield | California | United States | 2002 Furnace Creek 508 | 32 | Two Man | FIN | 30:17:23 | |
| Killer Bees | Elsie | Bennett | F | Long Beach | California | United States | 2010 Furnace Creek 508 | 34 | Four Mixed | FIN | ||
| Killer Bees | Gary | Jackson | M | Signal Hill | California | United States | 2010 Furnace Creek 508 | 58 | Four Mixed | FIN | ||
| Killer Bees | Todd | Miller | M | Long Beach | California | United States | 2010 Furnace Creek 508 | 46 | Four Mixed | FIN | ||
| Killer Bees | Debra | Shepack | F | Long Beach | California | United States | 2010 Furnace Creek 508 | 48 | Four Mixed | FIN | ||
| King Cobra | David | Goggins | M | San Diego | California | United States | 2009 Furnace Creek 508 | 34 | Solo | FIN | 41:45:58 | |
| Kingfisher | Karen | Koppenhaver | F | California | United States | 1993 Furnace Creek 508 | 32 | Solo | DNF | |||
| Kingsnake | Rieks | Konig | M | Netherlands | 1998 Furnace Creek 508 | 37 | Solo | FIN | 34:35:04 | |||
| Kinkajou | Tim | Kinkeade | M | Idaho | United States | 1996 Furnace Creek 508 | 31 | Solo | DNF | |||
| Kinkajou | Tim | Kinkeade | M | Idaho | United States | 1997 Furnace Creek 508 | 32 | Solo | FIN | 44:49:47 | RAAM Qualifier | |
| Kites | Joan | Grant | F | Sunnyvale | California | United States | 2007 Furnace Creek 508 | 27 | Four Mixed | FIN | 32:21:06 | |
| Kites | Robert | Kraencke | M | San Jose | California | United States | 2007 Furnace Creek 508 | 51 | Four Mixed | FIN | 32:21:06 | |
| Kites | Leslie | Mackenzie | F | Santa Clara | California | United States | 2007 Furnace Creek 508 | 43 | Four Mixed | FIN | 32:21:06 | |
| Kites | Dan | Sauers | M | Sunnyvale | California | United States | 2007 Furnace Creek 508 | 56 | Four Mixed | FIN | 32:21:06 | |
| Kites | Robert | Kraencke | M | San Jose | California | United States | 2008 Furnace Creek 508 | 52 | Four Mixed | FIN | 32:15:16 | |
| Kites | Anna | Luo | F | Sunnyvale | California | United States | 2008 Furnace Creek 508 | 45 | Four Mixed | FIN | 32:15:16 | |
| Kites | Richard | McCaw | M | San Jose | California | United States | 2008 Furnace Creek 508 | 56 | Four Mixed | FIN | 32:15:16 | |
| Kites | Louise | McCracken | F | Alviso | California | United States | 2008 Furnace Creek 508 | 48 | Four Mixed | FIN | 32:15:16 | |
| Kitten | Wendy | Gardiner | F | Acworth | Georgia | United States | 2006 Furnace Creek 508 | 36 | Two Mixed | FIN | 33:14:26 | |
| Kitten | Pete | Masiel | M | Santee | California | United States | 2006 Furnace Creek 508 | 47 | Two Mixed | FIN | 33:14:26 | |
| Kiwi | Jude | Katsch | M | Felton | California | United States | 1993 Furnace Creek 508 | 32 | Solo | FIN | 44:44:40 | |
| Klondike Bear | Brian | Glueck | M | California | United States | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 24:59:30 | ||
| Klondike Bear | Victor | Gonzalez | M | California | United States | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 24:59:30 | ||
| Klondike Bear | Gary | Oisha | M | California | United States | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 24:59:30 | ||
| Klondike Bear | Ken | Wiener | M | California | United States | 1997 Furnace Creek 508 | N/A | Four Man | FIN | 24:59:30 | ||
| Koala | David | Kees | M | Auburn | California | United States | April 1989 RAAM Open West | 34 | Solo | FIN | 34:52:00 | |
| Koala | David | Kees | M | San Jose | California | United States | 1995 Furnace Creek 508 | 40 | Solo | FIN | 29:47:30 | 2nd solo finish |
| Koala | David | Kees | M | Grass Valley | California | United States | 2005 Furnace Creek 508 | 50 | Solo | FIN | 31:55:13 | |
| Kodiak Bear | Keith | Krombel | M | United States | 1998 Furnace Creek 508 | 44 | Solo | FIN | 38:03:30 | |||
| Komodo Dragon | Bram | van de Werken | M | Arvada | Colorado | United States | 2007 Furnace Creek 508 | 50 | Solo | DNF | ||
| Kona Jaguar | John | Josephs | M | Jacksonville | Florida | United States | 2010 Furnace Creek 508 | 60 | Solo | FIN | ||
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | United States | 1995 Furnace Creek 508 | 41 | Solo | FIN | 47:16:57 | |
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | United States | 1996 Furnace Creek 508 | 42 | Solo | FIN | 37:46:30 | 2nd solo finish |
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | United States | 1997 Furnace Creek 508 | 43 | Solo | DNF | tired | |
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | United States | 1998 Furnace Creek 508 | 44 | Solo | DNF | ||
| Kudu | Gary | Kliewer | M | Ft. Morgan | Colorado | United States | 1999 Furnace Creek 508 | 45 | Solo | DNF | TS4 - depleted in many ways | |
| Lab Rat | David | Warady | M | Santa Ana | California | United States | 1999 Furnace Creek 508 | 43 | Solo | DNF | TS2 - "bit off more than I could chew" | |
| Labrador | Brandon | Montoya | M | San Diego | California | United States | 2007 Furnace Creek 508 | 27 | Two Mixed | FIN | 34:38:32 | |
| Labrador | Elizabeth | Montoya | F | San Diego | California | United States | 2007 Furnace Creek 508 | 25 | Two Mixed | FIN | 34:38:32 | |
| Labrador | Brandon | Montoya | M | San Diego | California | United States | 2008 Furnace Creek 508 | 28 | Two Mixed | FIN | 33:34:25 | |
| Labrador | Andi | Ramer | F | San Diego | California | United States | 2008 Furnace Creek 508 | 35 | Two Mixed | FIN | 33:34:25 | |
| Lagartija | Kley | Cardona | M | San Jose | California | United States | 2008 Furnace Creek 508 | 47 | Two Man | FIN | 29:11:19 | |
| Lagartija | Luke | Wallis | M | San Jose | California | United States | 2008 Furnace Creek 508 | 55 | Two Man | FIN | 29:11:19 | |
| Land Shark | Jeff | Landauer | M | Fair Oaks | California | United States | 2003 Furnace Creek 508 | 36 | Solo | FIN | 31:19:22 | |
| Land Shark | Jeff | Landauer | M | Roseville | California | United States | 2004 Furnace Creek 508 | 37 | Solo | FIN | 36:14:24 | |
| Land Shark | Jeff | Landauer | M | Roseville | California | United States | 2005 Furnace Creek 508 | 38 | Solo | FIN | 29:28:27 | |
| Langur | Rob | Lucas | M | Colorado Springs | Colorado | United States | 2002 Furnace Creek 508 | 31 | Solo | FIN | 38:01:01 | New Qual. |
| Lapp Dog | Markku | Saarinen | M | Paimio | Finland | 2004 Furnace Creek 508 | 48 | Solo | DNF | |||
| Lapp Dog | Markku | Saarinen | M | Paimio | Finland | 2006 Furnace Creek 508 | 50 | Solo | DNF | |||
| Lapp Dog | Markku | Saarinen | M | Paimio | Finland | 2007 Furnace Creek 508 | 51 | Solo | DNF | |||
| Leafhopper | Leighton | White | M | Steamboat Springs | Colorado | United States | 2005 Furnace Creek 508 | 42 | Solo | FIN | 35:33:56 | |
| Leafhopper | Leighton | White | M | Steamboat Springs | Colorado | United States | 2006 Furnace Creek 508 | 43 | Solo | DNF | ||
| Leapfrog | Colin | Lynch | M | San Rafael | California | United States | 2003 Furnace Creek 508 | 49 | Solo | FIN | 40:02:35 | |
| Leatherback Turtles | Gerd | Rosenblatt | M | Berkeley | California | United States | 2004 Furnace Creek 508 | 71 | Two Man | FIN | 39:55:55 | COURSE RECORD |
| Leatherback Turtles | Ron | Way | M | Downie | California | United States | 2004 Furnace Creek 508 | 69 | Two Man | FIN | 39:55:55 | COURSE RECORD |
| Leatherback Turtles | Lori | Cherry | F | Fresno | California | United States | 2006 Furnace Creek 508 | 48 | Two Mixed | FIN | 33:18:13 | |
| Leatherback Turtles | Gerd | Rosenblatt | M | Berkeley | California | United States | 2006 Furnace Creek 508 | 73 | Two Mixed | FIN | 33:18:13 | |
| Lemmings | Deborah | Caplan | F | Culver City | California | United States | 1999 Furnace Creek 508 | 34 | Four Mixed | FIN | 28:15:25 | |
| Lemmings | Mark | Jackson | M | Los Angeles | California | United States | 1999 Furnace Creek 508 | 36 | Four Mixed | FIN | 28:15:25 | |
| Lemmings | Rich | Porticos | M | Los Altos | California | United States | 1999 Furnace Creek 508 | 37 | Four Mixed | FIN | 28:15:25 | |
| Lemmings | Muffy | Ritz | F | Sun Valley | Idaho | United States | 1999 Furnace Creek 508 | 42 | Four Mixed | FIN | 28:15:25 | |
| Lemur | Mitch | Lesack | M | Bristol | Pennsylvania | United States | 1993 Furnace Creek 508 | 35 | Solo | FIN | 35:01:16 | |
| Lemur | Mitch | Lesack | M | Hatfield | Pennsylvania | United States | 2004 Furnace Creek 508 | 46 | Solo | FIN | 38:40:55 | |
| Lemur | Mitch | Lesack | M | Hatfield | Pennsylvania | United States | 2005 Furnace Creek 508 | 47 | Solo | DNF | ||
| Leopard | Arvid | Loewen | M | Winnipeg | Manitoba | Canada | 1996 Furnace Creek 508 | 39 | Solo | DNF | ||
| Leopard | Arvid | Loewen | M | Winnipeg | United States | 1998 Furnace Creek 508 | 41 | Solo | DNF | |||
| Leopard | Arvid | Loewen | M | Winnipeg | Manitoba | Canada | 2000 Furnace Creek 508 | 43 | Solo | FIN | 41:31:00 | |
| Leprechaun | David | Glasgow | M | Tucson | Arizona | United States | 2003 Furnace Creek 508 | 64 | Solo | FIN | 46:39:50 | |
| Leviathan | Ron | Smith | M | Chula Vista | California | United States | 2008 Furnace Creek 508 | 40 | Solo Recumbent | FIN | 42:54:39 | |
| Lhasa Apso | John | Culligan | M | Salinas | California | United States | 2009 Furnace Creek 508 | 46 | Solo | FIN | 43:20:56 | |
| Lhasa Apso | John | Culligan | M | Salinas | California | United States | 2010 Furnace Creek 508 | 47 | Solo | FIN | ||
| Liger | Isabelle | Drake | F | Laguna Beach | California | United States | 2008 Furnace Creek 508 | 55 | Solo | FIN | 46:27:56 | |
| Limpkin | Robert | Thomas | M | Atascadero | California | United States | 2003 Furnace Creek 508 | 47 | Solo | FIN | 37:07:03 | |
| Lion | Michael | Lau | M | Ottawa | Ontario | Canada | 1998 Furnace Creek 508 | 37 | Solo | FIN | 33:47:02 | |
| Lizard | Charlie | Liskey | M | Somis | California | United States | 1995 Furnace Creek 508 | 39 | Solo | FIN | 40:00:48 | |
| Lizard | Charlie | Liskey | M | Somis | California | United States | 1996 Furnace Creek 508 | 40 | Solo | FIN | 39:32:08 | Death Valley Cup, 2nd solo finish |
| Lizard | Charlie | Liskey | M | Somis | California | United States | 1997 Furnace Creek 508 | 41 | Solo | FIN | 36:11:00 | 3rd solo finish, RAAM Qualifier |
| Lizard-Scorpion | Charlie | Liskey | M | Ojai | California | United States | 2005 Furnace Creek 508 | 49 | Two Man | FIN | 31:24:23 | |
| Lizard-Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 2005 Furnace Creek 508 | 51 | Two Man | FIN | 31:24:23 | |
| Llama | Cassandra | Lowe | F | Australia | 1998 Furnace Creek 508 | 34 | Solo | DNF | ||||
| Llama | Cassandra | Lowe | F | Sydney | Australia | 1999 Furnace Creek 508 | 35 | Solo | FIN | 35:02:02 | ||
| Lobster | Trent | Lockert | M | Edmonton | Alberta | Canada | 1995 Furnace Creek 508 | 29 | Solo | FIN | 33:15:40 | |
| Loch Ness Monster | Bob | Lees | M | Prince George | British Columbia | Canada | 2004 Furnace Creek 508 | 49 | Solo | DNF | ||
| Loch Ness Monster | Bob | Lees | M | Prince George | British Columbia | Canada | 2005 Furnace Creek 508 | 50 | Solo | DNF | ||
| Locust | Alexander | Lehman | M | United States | 1998 Furnace Creek 508 | 24 | Solo | DNF | ||||
| Locust | Alexander | Lehman | M | New York | New York | United States | 1999 Furnace Creek 508 | 25 | Solo | DNF | TS2 - exhaustion/fatigue | |
| Loggerhead Shrike | Robert | Treadwell | M | Spokane Valley | Washington | United States | 2008 Furnace Creek 508 | 44 | Solo | FIN | 31:22:53 | |
| Loggerhead Shrike | Robert | Treadwell | M | Burbank | California | United States | 2009 Furnace Creek 508 | 45 | Solo | DNF | ||
| Lone Wolf | Robert | Hurst | M | Lake View Terrace | California | United States | 2005 Furnace Creek 508 | 46 | Solo | FIN | 36:37:50 | |
| Lone Wolf | Jarom | Thurston | M | Lake View Terrace | California | United States | 2006 Furnace Creek 508 | 47 | Solo | FIN | 38:30:20 | |
| Long-Eared Jerboa | Willy | Nevin | M | Pacifica | California | United States | 2009 Furnace Creek 508 | 50 | Solo | DNF | ||
| Long-Eared Jerboa | Willy | Nevin | M | Pacifica | California | United States | 2010 Furnace Creek 508 | 51 | Solo | FIN | ||
| Longhorn | Rick | Kent | M | Houston | Texas | United States | April 1989 RAAM Open West | 32 | Solo | FIN | 33:08:00 | |
| Longhorn | Rick | Kent | M | Houston | Texas | United States | April 1991 RAAM Open West | 34 | Solo | FIN | 33:01:00 | 2nd solo finish |
| Longhorn | Rick | Kent | M | Austin | Texas | United States | 2000 Furnace Creek 508 | 44 | Solo | FIN | 39:40:44 | |
| Longhorn | Rick | Kent | M | Austin | Texas | United States | 2001 Furnace Creek 508 | 45 | Solo | DNF | ||
| Loon | Scott | Dakus | M | Henderson | Nevada | United States | 2003 Furnace Creek 508 | 38 | Solo | FIN | 34:50:36 | |
| Loon | Scott | Dakus | M | Henderson | Nevada | United States | 2004 Furnace Creek 508 | 39 | Solo | DNF | ||
| Loon | Scott | Dakus | M | Henderson | Nevada | United States | 2005 Furnace Creek 508 | 40 | Solo | FIN | 31:53:29 | |
| Loon | Scott | Dakus | M | Henderson | Nevada | United States | 2008 Furnace Creek 508 | 48 | Solo | FIN | 33:05:55 | |
| Loon | Scott | Dakus | M | Henderson | Nevada | United States | 2009 Furnace Creek 508 | 45 | Solo Fixed Gear | DNF | ||
| Loon | Scott | Dakus | M | Henderson | Nevada | United States | 2010 Furnace Creek 508 | 46 | Solo | FIN | ||
| Lynx | Chuck | Lepovetsky | M | United States | 1994 Furnace Creek 508 | N/A | Tandem Mixed | DNF | ||||
| Lynx | Ramona | Pierson | F | United States | 1994 Furnace Creek 508 | N/A | Tandem Mixed | DNF | ||||
| Macaw | Noriyuki | Miyamoto | M | Nakagawa-ku | Japan | 1998 Furnace Creek 508 | 27 | Solo | FIN | 31:38:01 | ||
| Macska | Istvan | Makk | M | Antioch | California | United States | 2000 Furnace Creek 508 | 42 | Solo | FIN | 33:45:10 | First non-previously-RAAM qualified |
| Mad Dog | Hugh | Murphy | M | Hacienda Heights | California | United States | April 1990 RAAM Open West | 41 | Solo | FIN | 36:12:00 | |
| Mad Dog | Hugh | Murphy | M | La Habra | California | United States | October 1991 Furnace Creek 508 | 43 | Solo | FIN | 33:09:44 | 2nd solo finish |
| Mad Dog | Hugh | Murphy | M | La Habra | California | United States | 1995 Furnace Creek 508 | 47 | Solo | DNF | ||
| Mad Dog | Hugh | Murphy | M | La Habra | California | United States | 1996 Furnace Creek 508 | 48 | Solo | DNF | ||
| Maggot | Lee | Mitchell | M | Woodland | California | United States | 1998 Furnace Creek 508 | 62 | Solo | HON | Race Dedicatee | |
| Magical Liopleurodon | James | Batson | M | Tracy | California | United States | 2010 Furnace Creek 508 | 42 | Four Man | FIN | ||
| Magical Liopleurodon | Steven | Bursley | M | Pleasanton | California | United States | 2010 Furnace Creek 508 | 52 | Four Man | FIN | ||
| Magical Liopleurodon | Gil | Hopkins | M | Castro Valley | California | United States | 2010 Furnace Creek 508 | 54 | Four Man | FIN | ||
| Magical Liopleurodon | Jason | Pierce | M | Oakland | California | United States | 2010 Furnace Creek 508 | 36 | Four Man | FIN | ||
| Magpie | Felix | Gallo | M | Boulder | Colorado | United States | 2004 Furnace Creek 508 | 44 | Solo | DNF | ||
| Magpie | Felix | Gallo | M | Boulder | Colorado | United States | 2005 Furnace Creek 508 | 45 | Solo | FIN | 35:24:52 | |
| Mahi Mahi | Robert | Baldino | M | Pleasantaon | California | United States | 2004 Furnace Creek 508 | 59 | Two Man | FIN | 43:43:00 | |
| Mahi Mahi | Vernon C. | Watters | M | San Rafael | California | United States | 2004 Furnace Creek 508 | 59 | Two Man | FIN | 43:43:00 | |
| Mahi Mahi | Robert | Baldino | M | Pleasanton | California | United States | 2005 Furnace Creek 508 | 60 | Two Man | FIN | 41:40:00 | |
| Mahi Mahi | Larry | Brenize | M | Newburg | Pennsylvania | United States | 2005 Furnace Creek 508 | 54 | Two Man | FIN | 41:40:00 | |
| Mahi Mahi | Robert | Baldino | M | Pleasanton | California | United States | 2006 Furnace Creek 508 | 61 | Two Man | FIN | 43:33:19 | |
| Mahi Mahi | Lowell | Morgan | M | Monument | Colorado | United States | 2006 Furnace Creek 508 | 60 | Two Man | FIN | 43:33:19 | |
| Mahi Mahi | Robert | Baldino | M | Pleasanton | California | United States | 2007 Furnace Creek 508 | 62 | Two Man | DNF | ||
| Mahi Mahi | Lowell | Morgan | M | Monument | California | United States | 2007 Furnace Creek 508 | 61 | Two Man | DNF | ||
| Mahi Mahi | Robert | Baldino | M | Alameda | California | United States | 2008 Furnace Creek 508 | 63 | Two Man | FIN | 40:27:10 | |
| Mahi Mahi | Joe | Burton | M | Livermore | California | United States | 2008 Furnace Creek 508 | 45 | Two Man | FIN | 40:27:10 | |
| Mahi Mahi | Robert | Baldino | M | Alameda | California | United States | 2009 Furnace Creek 508 | 63 | Two Man | DNF | ||
| Mahi Mahi | Don | Williams | M | Livermore | California | United States | 2009 Furnace Creek 508 | 43 | Two Man | DNF | ||
| Mahi Mahi | Robert | Baldino | M | Coronado | California | United States | 2010 Furnace Creek 508 | 65 | Four Man | FIN | ||
| Mahi Mahi | Glenn | Barrow | M | San Antonio | Texas | United States | 2010 Furnace Creek 508 | 48 | Four Man | FIN | ||
| Mahi Mahi | Tim | Barrow | M | Castroville | Texas | United States | 2010 Furnace Creek 508 | 51 | Four Man | FIN | ||
| Mahi Mahi | Joe | Burton | M | Livermore | California | United States | 2010 Furnace Creek 508 | 51 | Four Man | FIN | ||
| Main Lobster | Kevin | Main | M | San Luis Obispo | California | United States | 2005 Furnace Creek 508 | 53 | Solo | FIN | 41:06:47 | |
| Makaira | Randy | Profeta | M | Coral Springs | Florida | United States | 2005 Furnace Creek 508 | 51 | Solo | FIN | 37:02:22 | |
| Makaira | Randy | Profeta | M | Sharpsburg | California | United States | 2007 Furnace Creek 508 | 53 | Solo | DNF | ||
| Mako | Karen | Armstrong | F | Spokane | Washington | United States | 2007 Furnace Creek 508 | 47 | Solo | FIN | 36:58:24 | |
| Mako | Karen | Armstrong | F | Spokane | Washington | United States | 2008 Furnace Creek 508 | 48 | Solo | FIN | 34:09:09 | |
| Mako | Karen | Armstrong | F | Spokane | Washington | United States | 2010 Furnace Creek 508 | 50 | Solo | FIN | ||
| Malamute | Tom | Miller | M | Santee | California | United States | 2000 Furnace Creek 508 | 49 | Solo | DNF | ||
| Malamute | Tom | Miller | M | Valley Center | California | United States | 2001 Furnace Creek 508 | 50 | Solo | FIN | 43:27:00 | |
| Mallard | John | Mickey | M | United States | 1996 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Malteese | Linda | McFadden | F | Modesto | California | United States | 2006 Furnace Creek 508 | 44 | Solo | DNF | ||
| Mammoth | Curt | Nichols | M | El Dorado Hills | California | United States | 2006 Furnace Creek 508 | 50 | Solo | FIN | 46:14:08 | |
| Manatee | Tim | Morrison | M | United States | 1998 Furnace Creek 508 | 27 | Solo | DNF | ||||
| Manatee | Tim | Morrison | M | Phoenix | Arizona | United States | 1999 Furnace Creek 508 | 28 | Solo | DNF | TS3 - ? | |
| Mandrill | Charlie | Miller | M | United States | 1995 Furnace Creek 508 | 34 | Solo | DNF | ||||
| Mandrill | Charlie | Miller | M | United States | 1996 Furnace Creek 508 | 35 | Solo | FIN | 31:31:17 | |||
| Mandrill | Charlie | Miller | M | United States | 1997 Furnace Creek 508 | 36 | Solo | DNF | back | |||
| Mandrill | Charlie | Miller | M | San Francisco | California | United States | 1999 Furnace Creek 508 | 38 | Solo | DNF | TS4 - stomach | |
| Mandrill | Charlie | Miller | M | California | United States | 2004 Furnace Creek 508 | 43 | Solo | DNF | |||
| Manimal | Roger | Hansen | M | Smithfield | Utah | United States | 1999 Furnace Creek 508 | 49 | Solo | FIN | 41:20:25 | RQ |
| Manta Ray | Jean Michel | Monot | M | Punaauia | French Polynesia | 2005 Furnace Creek 508 | 45 | Solo | FIN | 35:53:48 | ||
| Manticore | Leshek | Fiedorowicz | M | Morgan Hill | California | United States | 2006 Furnace Creek 508 | 47 | Four Man | FIN | 32:50:16 | |
| Manticore | Seana | Hogan | F | Valley Springs | California | United States | 2006 Furnace Creek 508 | 47 | Four Man | FIN | 32:50:16 | |
| Manticore | Juergen | Launspach | M | San Jose | California | United States | 2006 Furnace Creek 508 | 54 | Four Man | FIN | 32:50:16 | |
| Manticore | Ira | Sheftman | M | San Jose | California | United States | 2006 Furnace Creek 508 | 45 | Four Man | FIN | 32:50:16 | |
| Manticore | Leshek | Fiedorowicz | M | Morgan Hill | California | United States | 2007 Furnace Creek 508 | 48 | Two Man | FIN | 32:45:03 | |
| Manticore | Juergen | Launspach | M | San Jose | California | United States | 2007 Furnace Creek 508 | 55 | Two Man | FIN | 32:45:03 | |
| Manx | John | Mazzola | M | Cedar Crest | New Mexico | United States | 2003 Furnace Creek 508 | 53 | Solo | FIN | 44:26:57 | |
| Margay | Paul | Duren | M | San Jose | California | United States | 2008 Furnace Creek 508 | 49 | Two Man | FIN | 30:29:22 | |
| Margay | Kenneth | Holloway | M | San Jose | California | United States | 2008 Furnace Creek 508 | 56 | Two Man | FIN | 30:29:22 | |
| Marlin | Mike | Connolly | M | Santa Rosa | California | United States | 2003 Furnace Creek 508 | 53 | Solo | DNF | ||
| Marlin | Mike | Connolly | M | Santa Rosa | California | United States | 2004 Furnace Creek 508 | 54 | Solo | DNF | ||
| Marmot | Gerhard | Dobmeier | M | Bischberg | Germany | 2005 Furnace Creek 508 | 42 | Solo | FIN | 33:00:51 | ||
| Mastodon | Jerry | Moylan | M | San Diego | California | United States | 2002 Furnace Creek 508 | 49 | Solo | DNF | ||
| Medicine Horse | Jenn | Long | F | Fawnskin | California | United States | 2005 Furnace Creek 508 | 31 | Solo | DNF | ||
| Medicine Horse | Jenn | Long | F | Fawnskin | California | United States | 2006 Furnace Creek 508 | 32 | Solo | DNF | ||
| Meerkat | Zoran | Musicki | M | Upton | New York | United States | October 1991 Furnace Creek 508 | 37 | Solo | FIN | 40:58:24 | |
| Meerkat | Zoran | Musicki | M | Upton | New York | United States | 1997 Furnace Creek 508 | 43 | Solo | FIN | 45:00:45 | 2nd solo finish, RAAM Qualifier |
| Megamouth Shark | Rebecca | McClellan | F | San Rafael | California | United States | 2002 Furnace Creek 508 | 43 | Tandem Mixed | DNF | Van broke down | |
| Megamouth Shark | Curt | Simon | M | San Rafael | California | United States | 2002 Furnace Creek 508 | 53 | Tandem Mixed | DNF | Van broke down | |
| Merlin | Greg | Lester | M | Cazadero | California | United States | 2004 Furnace Creek 508 | 49 | Solo | FIN | 43:06:25 | |
| Merlin | Greg | Lester | M | Cazadero | California | United States | 2005 Furnace Creek 508 | 50 | Solo | FIN | 34:55:17 | |
| Merlin | Greg | Lester | M | Cazadero | California | United States | 2007 Furnace Creek 508 | 52 | Solo | FIN | 34:16:43 | |
| Merlin | Greg | Lester | M | Cazadero | California | United States | 2008 Furnace Creek 508 | 53 | Solo | FIN | 33:20:28 | |
| Merlin | Greg | Lester | M | Cazadero | California | United States | 2009 Furnace Creek 508 | 54 | Solo | FIN | 39:20:51 | |
| Mexican Wolf | David Tinker | Juarez | M | Downey | California | United States | 2005 Furnace Creek 508 | 44 | Solo | FIN | 27:24:07 | |
| Microraptor | Saralie | Liner | F | Santa Monica | California | United States | 2008 Furnace Creek 508 | 56 | Solo | FIN | 40:53:55 | |
| Midnight Mambas | Dana | Laytham-Herbert | F | Pleasanton | California | United States | 2010 Furnace Creek 508 | 45 | Four Woman | FIN | ||
| Midnight Mambas | Isabel | McGregor-Crane | F | Pleasanton | California | United States | 2010 Furnace Creek 508 | 51 | Four Woman | FIN | ||
| Midnight Mambas | Janet | Orgill | F | Danville | California | United States | 2010 Furnace Creek 508 | 45 | Four Woman | FIN | ||
| Midnight Mambas | Melinda | Wiley | F | Dublin | California | United States | 2010 Furnace Creek 508 | 52 | Four Woman | FIN | ||
| Mighty Millipede | Roehl | Caragao | M | Fresno | California | United States | 2007 Furnace Creek 508 | 44 | Four Tandem Mixed | FIN | 28:11:04 | |
| Mighty Millipede | Lori | Cherry | F | Fresno | California | United States | 2007 Furnace Creek 508 | 49 | Four Tandem Mixed | FIN | 28:11:04 | |
| Mighty Millipede | Deanna | Cox | F | Madera | California | United States | 2007 Furnace Creek 508 | 42 | Four Tandem Mixed | FIN | 28:11:04 | |
| Mighty Millipede | Richard | Hoff | M | Sanger | California | United States | 2007 Furnace Creek 508 | 54 | Four Tandem Mixed | FIN | 28:11:04 | |
| Mighty Millipede | Roger | Hogan | M | Sanger | California | United States | 2007 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 28:11:04 | |
| Mighty Millipede | Dale | Johnson | M | Fresno | California | United States | 2007 Furnace Creek 508 | 58 | Four Tandem Mixed | FIN | 28:11:04 | |
| Mighty Millipede | Jane | Johnson | F | Fresno | California | United States | 2007 Furnace Creek 508 | 48 | Four Tandem Mixed | FIN | 28:11:04 | |
| Mighty Millipede | Lisa | Williams | F | Fresno | California | United States | 2007 Furnace Creek 508 | 39 | Four Tandem Mixed | FIN | 28:11:04 | |
| Mighty Mouse | Leah | Goldstein | F | Vancouver | British Columbia | Canada | 2009 Furnace Creek 508 | 40 | Solo | FIN | 35:01:50 | |
| Mighty Mouse | Leah | Goldstein | F | Vernon | British Columbia | Canada | 2010 Furnace Creek 508 | 41 | Solo | FIN | ||
| Mink | Suzanne | McNeil | F | United States | 1994 Furnace Creek 508 | 41 | Solo | DNF | ||||
| Minotaur | Leshek | Fiedorowicz | M | Morgan Hill | California | United States | 2005 Furnace Creek 508 | 46 | Solo | FIN | 35:23:47 | |
| Missing Lynx | Dan | Dibb | M | Long Beach | California | United States | 2008 Furnace Creek 508 | 51 | Four Man Fixed Gear | FIN | 32:57:25 | |
| Missing Lynx | Tom | Eichen | M | Los Alamitos | California | United States | 2008 Furnace Creek 508 | 50 | Four Man Fixed Gear | FIN | 32:57:25 | |
| Missing Lynx | Pat | Jesson | M | Waxhaw | North Carolina | United States | 2008 Furnace Creek 508 | 47 | Four Man Fixed Gear | FIN | 32:57:25 | |
| Missing Lynx | Greg | Page | M | Downey | California | United States | 2008 Furnace Creek 508 | 46 | Four Man Fixed Gear | FIN | 32:57:25 | |
| Missing Lynx | Dan | Dibb | M | Long Beach | California | United States | 2009 Furnace Creek 508 | 52 | Two Man Fixed Gear | FIN | 37:48:40 | |
| Missing Lynx | Greg | Page | M | Downey | California | United States | 2009 Furnace Creek 508 | 47 | Two Man Fixed Gear | FIN | 37:48:40 | |
| Mojave Green | Timothy A. | Granger | M | Lancaster | California | United States | 2006 Furnace Creek 508 | 44 | Four Man | FIN | 28:59:23 | |
| Mojave Green | Ronald | Phillips | M | Northville | Michigan | United States | 2006 Furnace Creek 508 | 54 | Four Man | FIN | 28:59:23 | |
| Mojave Green | Jason | Short | M | Lancaster | California | United States | 2006 Furnace Creek 508 | 22 | Four Man | FIN | 28:59:23 | |
| Mojave Green | David | Stroup | M | Lancaster | California | United States | 2006 Furnace Creek 508 | 48 | Four Man | FIN | 28:59:23 | |
| Monarch Butterfly | Linda | Bott | F | Ventura | California | United States | 2005 Furnace Creek 508 | 48 | Solo | FIN | 41:38:29 | |
| Monarch Butterfly | Linda | Bott | F | Ventura | California | United States | 2006 Furnace Creek 508 | 49 | Solo | FIN | 40:48:56 | |
| Mongolian Wild Ass | Shanna Christine | Armstrong | F | Lubbock | Texas | United States | 2004 Furnace Creek 508 | 31 | Two Mixed | FIN | 38:49:25 | COURSE RECORD |
| Mongolian Wild Ass | Guy | Wells | M | Lubbock | Texas | United States | 2004 Furnace Creek 508 | 54 | Two Mixed | FIN | 38:49:25 | COURSE RECORD |
| Mongolian Wild Ass | Shanna Christine | Armstrong | F | Lubbock | Texas | United States | 2005 Furnace Creek 508 | 31 | Solo | DNF | ||
| Mongoose | Tom | Baggitt | M | Titusville | Florida | United States | 2000 Furnace Creek 508 | 47 | Four Man | DNF | ||
| Mongoose | Barbara | Bergin | M | Gainesville | Florida | United States | 2000 Furnace Creek 508 | N/A | Four Man | DNF | ||
| Mongoose | Ben | O'Neal | M | Mevourne | Florida | United States | 2000 Furnace Creek 508 | 38 | Four Man | DNF | ||
| Mongoose | Ben | O'Neal | M | Melbourne | Florida | United States | 2001 Furnace Creek 508 | 39 | Two Man | FIN | 40:31:00 | |
| Mongoose | Richard | Rayos | M | Seattle | Washington | United States | 2001 Furnace Creek 508 | 35 | Two Man | FIN | 40:31:00 | |
| Mongrel Dogs | Michael | Gray | M | San Francisco | California | United States | 2005 Furnace Creek 508 | 39 | Four Man | FIN | 30:41:26 | |
| Mongrel Dogs | Peter | Robbins | M | Glendale | California | United States | 2005 Furnace Creek 508 | 48 | Four Man | FIN | 30:41:26 | |
| Mongrel Dogs | Oscar | Thompson | M | Los Angeles | California | United States | 2005 Furnace Creek 508 | 42 | Four Man | FIN | 30:41:26 | |
| Mongrel Dogs | Todd | Wexman | M | Los Angeles | California | United States | 2005 Furnace Creek 508 | 42 | Four Man | FIN | 30:41:26 | |
| Mongrel Dogs | Hime | Herbert | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 32 | Four Man | FIN | 27:59:15 | |
| Mongrel Dogs | Jason | Seitz | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 31 | Four Man | FIN | 27:59:15 | |
| Mongrel Dogs | Oscar | Thompson | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 43 | Four Man | FIN | 27:59:15 | |
| Mongrel Dogs | Todd | Wexman | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 43 | Four Man | FIN | 27:59:15 | |
| Monkey | David | Moore | M | United States | 1996 Furnace Creek 508 | 25 | Solo | DNF | ||||
| Moose | Kent | Carter | M | Jacksonville | Florida | United States | 2001 Furnace Creek 508 | 34 | Two Man | FIN | 37:21:00 | |
| Moose | Paul | Gilmore | M | Jacksonville | Florida | United States | 2001 Furnace Creek 508 | 47 | Two Man | FIN | 37:21:00 | |
| Moose | Kent | Carter | M | Jacksonville | Florida | United States | 2002 Furnace Creek 508 | 35 | Two Man | DNF | ||
| Moose | Paul | Gilmore | M | Jacksonville | Florida | United States | 2002 Furnace Creek 508 | 48 | Two Man | DNF | ||
| Morro Eel | Bernie | Barge | M | Paso Robles | California | United States | 2001 Furnace Creek 508 | 40 | Four Man | FIN | 27:34:00 | |
| Morro Eel | Elton | Bryant | M | Morro Bay | California | United States | 2001 Furnace Creek 508 | 50 | Four Man | FIN | 27:34:00 | |
| Morro Eel | Jim | Gerpheide | M | Paso Robles | California | United States | 2001 Furnace Creek 508 | 46 | Four Man | FIN | 27:34:00 | |
| Morro Eel | Brian | Stark | M | Paso Robles | California | United States | 2001 Furnace Creek 508 | 53 | Four Man | FIN | 27:34:00 | |
| Morro Eel | Herb | Benham | M | Bakersfield | California | United States | 2002 Furnace Creek 508 | 47 | Four Man | FIN | 25:38:38 | |
| Morro Eel | Elton | Bryant | M | Morro Bay | California | United States | 2002 Furnace Creek 508 | 51 | Four Man | FIN | 25:38:38 | |
| Morro Eel | Brian | Stark | M | Paso Robles | California | United States | 2002 Furnace Creek 508 | 54 | Four Man | FIN | 25:38:38 | |
| Morro Eel | John | Williams | M | Wofford Heights | California | United States | 2002 Furnace Creek 508 | 54 | Four Man | FIN | 25:38:38 | |
| Moth | Jack | McBroom | M | Hemet | California | United States | 2000 Furnace Creek 508 | 43 | Solo | DNF | ||
| Mother Goose | Nancy | Guth | F | Stafford | Virginia | United States | 2002 Furnace Creek 508 | 52 | Solo | FIN | 46:01:31 | |
| Mountain Goat | Daniel | McGehee | M | Mesa | Arizona | United States | 1998 Furnace Creek 508 | 36 | Solo | FIN | 30:55:50 | |
| Mountain Goat | Matthew | Innes | M | Tempe | Arizona | United States | 2003 Furnace Creek 508 | 36 | Two Man | FIN | 25:38:08 | Course Record! |
| Mountain Goat | Daniel | McGehee | M | Mesa | Arizona | United States | 2003 Furnace Creek 508 | 41 | Two Man | FIN | 25:38:08 | Course Record! |
| Mountain Pigmy-Possum | Thomas | Maslen | M | Glen Waverley | Victoria | Australia | 1997 Furnace Creek 508 | 35 | Solo | FIN | 36:56:22 | RAAM Qualifier |
| Mountain Turtle | Erika | Van Meter | F | Aspen | Colorado | United States | 2002 Furnace Creek 508 | 30 | Solo | DNF | ||
| Mouse | Mhyee | Mergler | M | Clinton | Maine | United States | 1993 Furnace Creek 508 | 26 | Solo | FIN | 47:19:10 | |
| Mudcat | David | Holt | M | Laguna Niguel | California | United States | 2004 Furnace Creek 508 | 52 | Solo | FIN | 33:32:03 | |
| Mudcat | David | Holt | M | Laguna Niguel | California | United States | 2005 Furnace Creek 508 | 53 | Solo | FIN | 30:33:40 | |
| Mudcat | David | Holt | M | Laguna Niguel | California | United States | 2006 Furnace Creek 508 | 54 | Solo | FIN | 30:46:36 | |
| Mudcat | David | Holt | M | Laguna Niguel | California | United States | 2009 Furnace Creek 508 | 57 | Solo | FIN | 34:31:00 | |
| Mudcat | David | Holt | M | Laguna Niguel | California | United States | 2010 Furnace Creek 508 | 58 | Solo | FIN | ||
| Muddy Mudskipper | Paul | McKenzie | M | Richmond | California | United States | 2005 Furnace Creek 508 | 51 | Solo | FIN | 32:00:07 | |
| Muddy Mudskipper | Paul | McKenzie | M | Richmond | California | United States | 2007 Furnace Creek 508 | 53 | Solo | FIN | 33:42:33 | |
| Mule | Scott (Mule) | Martinmaas | M | United States | 1994 Furnace Creek 508 | 31 | Solo | FIN | 39:49:50 | |||
| Muskox | Tim | Hewitt | M | Greensburg | Pennsylvania | United States | 2010 Furnace Creek 508 | 56 | Solo | FIN | ||
| Muskrat | Robert | Morlock | M | United States | 1994 Furnace Creek 508 | 30 | Solo | FIN | 31:41:28 | |||
| Muskrat | Robert | Morlock | M | Danbury | Connecticut | United States | 2006 Furnace Creek 508 | 42 | Solo | FIN | 32:00:22 | |
| Mussel | Jim | Verheul | M | Westlake Village | California | United States | 2007 Furnace Creek 508 | 42 | Two Recumbent | FIN | 29:31:10 | |
| Mussel | Michael | Wolfe | M | Portland | Oregon | United States | 2007 Furnace Creek 508 | 33 | Two Recumbent | FIN | 29:31:10 | |
| Mustangs | Bill | Albers | M | Healdsburg | California | United States | 2009 Furnace Creek 508 | 42 | Two Tandem Mixed | FIN | 35:00:02 | |
| Mustangs | Debbie | Albers | F | Healdsburg | California | United States | 2009 Furnace Creek 508 | 46 | Two Tandem Mixed | FIN | 35:00:02 | |
| Mustangs | Marlies | Radtke | F | Reno | Nevada | United States | 2009 Furnace Creek 508 | 49 | Two Tandem Mixed | FIN | 35:00:02 | |
| Mustangs | Patrick | Seely | M | Reno | Nevada | United States | 2009 Furnace Creek 508 | 56 | Two Tandem Mixed | FIN | 35:00:02 | |
| Mustangs | Bill | Albers | M | Healdsburg | California | United States | 2010 Furnace Creek 508 | 43 | Two Tandem Mixed | FIN | ||
| Mustangs | Debbie | Albers | F | Healdsburg | California | United States | 2010 Furnace Creek 508 | 47 | Two Tandem Mixed | FIN | ||
| Mustangs | Marlies | Radtke | F | Reno | Nevada | United States | 2010 Furnace Creek 508 | 50 | Two Tandem Mixed | FIN | ||
| Mustangs | Patrick | Seely | M | Reno | Nevada | United States | 2010 Furnace Creek 508 | 57 | Two Tandem Mixed | FIN | ||
| Naked Mole-Rat | Stan | Marks, Jr. | M | Phoeniz | Arizona | United States | 2003 Furnace Creek 508 | 41 | Four Man | DQ | Rode at night without a vehicle on several occasions | |
| Naked Mole-Rat | John | McDonnell | M | Poway | California | United States | 2003 Furnace Creek 508 | 41 | Four Man | FIN | Rode at night without a vehicle on several occasions | |
| Naked Mole-Rat | Don | Waagen | M | Tucson | Arizona | United States | 2003 Furnace Creek 508 | 43 | Four Man | FIN | Rode at night without a vehicle on several occasions | |
| Naked Mole-Rat | Joe | Wise-Gervais | M | New River | Arizona | United States | 2003 Furnace Creek 508 | 36 | Four Man | FIN | Rode at night without a vehicle on several occasions | |
| Nanook | Joan | Grant | F | Sunnyvale | California | United States | 2008 Furnace Creek 508 | 28 | Solo | FIN | 36:22:24 | |
| Nanook | Joan | Deitchman | F | Sunnyvale | California | United States | 2010 Furnace Creek 508 | 30 | Solo | FIN | ||
| Nanosaurus | Stuart | Nibbelin | M | Texas | United States | 1998 Furnace Creek 508 | 46 | Solo | DNF | |||
| Nanosaurus | Stuart | Nibbelin | M | Frisco | Texas | United States | 1999 Furnace Creek 508 | 47 | Solo | DNF | TS3 - stomach | |
| Nanosaurus | Stuart | Nibbelin | M | Frisco | Texas | United States | 2001 Furnace Creek 508 | 49 | Solo | FIN | 41:34:00 | |
| Narwhal | Stéphane | Thery | M | Bourg la Reine | Île-de-France | France | 2009 Furnace Creek 508 | 54 | Solo | DNF | ||
| Nautilus | Babak | Azad | M | Santa Monica | California | United States | 2006 Furnace Creek 508 | 33 | Solo | FIN | 43:39:32 | |
| Nematode | David | Nakai | M | Fallbrook | California | United States | 2003 Furnace Creek 508 | 47 | Solo | FIN | 39:49:46 | |
| Newt | Erik | Nordensen | M | Concord | Maine | United States | 1993 Furnace Creek 508 | 53 | Solo | FIN | 46:38:17 | |
| Newt | Erik | Nordensen | M | United States | 1994 Furnace Creek 508 | 54 | Solo | FIN | 40:19:25 | 2nd solo finish | ||
| Newt | Erik | Nordensen | M | United States | 1995 Furnace Creek 508 | 55 | Solo | DNF | ||||
| Newt | Erik | Nordensen | M | United States | 1996 Furnace Creek 508 | 56 | Solo | FIN | 36:55:58 | 3rd Solo Finish | ||
| Night Crawlers | Karen | McGeough | F | San Jose | California | United States | 2005 Furnace Creek 508 | 43 | Two Mixed | FIN | 34:16:58 | |
| Night Crawlers | Michael | McGeough | M | San Jose | California | United States | 2005 Furnace Creek 508 | 47 | Two Mixed | FIN | 34:16:58 | |
| Night Eagle | Ken | Knutson | M | Tracy | California | United States | 2001 Furnace Creek 508 | 52 | Solo | FIN | 47:41:00 | |
| Night Eagle | Ken | Knutson | M | Tracy | California | United States | 2002 Furnace Creek 508 | 53 | Solo | FIN | 46:25:58 | |
| Night Eagle | Ken | Knutson | M | Tracy | California | United States | 2003 Furnace Creek 508 | 54 | Solo | DNF | ||
| Night Owl | Barry | Martin | M | California | United States | October 1991 Furnace Creek 508 | 39 | Solo | FIN | 43:16:08 | ||
| Night Owl | Barry | Martin | M | San Diego | California | United States | 1992 Furnace Creek 508 | 40 | Solo | FIN | 43:48:36 | 2nd solo finish |
| Night Owl | Barry | Martin | M | San Diego | California | United States | 2004 Furnace Creek 508 | 52 | Solo | FIN | 44:00:05 | |
| Nightingale | Don | Norwood | M | United States | 1995 Furnace Creek 508 | 38 | Solo | FIN | 47:52:47 | |||
| Nudibranch | Patty | Riddle | F | La Jolla | California | United States | 2006 Furnace Creek 508 | 58 | Solo | DNF | ||
| Numbat | Alex | Irizari | M | Las Vegas | Nevada | United States | 2006 Furnace Creek 508 | 49 | Two Man | FIN | 34:07:46 | |
| Numbat | Jason | Landberg | M | Las Vegas | Nevada | United States | 2006 Furnace Creek 508 | 34 | Two Man | FIN | 34:07:46 | |
| Nutcrackers | Paul | Duren | M | San Jose | California | United States | 2007 Furnace Creek 508 | 48 | Two Man | FIN | 29:51:49 | |
| Nutcrackers | Joe | Farinha | M | San Jose | California | United States | 2007 Furnace Creek 508 | 47 | Two Man | FIN | 29:51:49 | |
| Nutcrackers | Joe | Farinha | M | San Jose | California | United States | 2008 Furnace Creek 508 | 49 | Two Man | FIN | 29:17:48 | |
| Nutcrackers | Gary | Franck | F | Morgan Hill | California | United States | 2008 Furnace Creek 508 | 51 | Two Man | FIN | 29:17:48 | |
| Nuthatch | Richard | Nelson | M | United States | 1995 Furnace Creek 508 | 48 | Solo | DNF | ||||
| Nutria | Mark | Newsome | M | Corvallis | Oregon | United States | 2007 Furnace Creek 508 | 47 | Solo | FIN | 46:20:40 | |
| Nyala | Bob | Thunselle | M | Casper | Wyoming | United States | 2007 Furnace Creek 508 | 49 | Solo | FIN | 40:05:25 | |
| Ocelot | Bob | Coble | M | United States | 1998 Furnace Creek 508 | N/A | Four Mixed | FIN | 27:05:37 | |||
| Ocelot | Emmy | Klassen | F | California | United States | 1998 Furnace Creek 508 | 40 | Four Mixed | FIN | 27:05:37 | ||
| Ocelot | Bill | Palmer | M | California | United States | 1998 Furnace Creek 508 | 41 | Four Mixed | FIN | 27:05:37 | ||
| Ocelot | Dana | Prieto | F | Redondo Beach | California | United States | 1998 Furnace Creek 508 | 31 | Four Mixed | FIN | 27:05:37 | |
| Octopus | Andrew | Otto | M | San Francisco | California | United States | 2001 Furnace Creek 508 | 37 | Solo | DNF | ||
| Octopus | Andrew | Otto | M | San Francisco | California | United States | 2002 Furnace Creek 508 | 38 | Solo | FIN | 33:42:56 | Pre. Qual. |
| Octopus | Andrew | Otto | M | San Francisco | California | United States | 2003 Furnace Creek 508 | 39 | Solo | DNF | ||
| Okapi | Thomas | Eller | M | Monument | Colorado | United States | 2010 Furnace Creek 508 | 52 | Solo | FIN | ||
| Old Fox | Othmar | Altmann | M | Villach | Austria | 2001 Furnace Creek 508 | 41 | Solo | FIN | 31:10:00 | RQ | |
| Old Yeller | Rene | Benitez | M | Nuevo | California | United States | 2005 Furnace Creek 508 | 50 | Solo | FIN | 38:26:22 | |
| Onager | Dan | Crain | M | Irvine | California | United States | 2002 Furnace Creek 508 | 57 | Two Man | FIN | 29:37:56 | |
| Onager | Bill | Osborn | M | Carlsbad | California | United States | 2002 Furnace Creek 508 | 31 | Two Man | FIN | 29:37:56 | |
| Onager | Tom | Miller | M | Valley Center | California | United States | 2010 Furnace Creek 508 | 59 | Two Man | FIN | ||
| Onager | Bill | Osborn | M | Escondido | California | United States | 2010 Furnace Creek 508 | 40 | Two Man | FIN | ||
| Orange Cat | James | Norton | M | Sacramento | California | United States | 2005 Furnace Creek 508 | 33 | Two Mixed | FIN | 32:40:54 | |
| Orange Cat | Katie | Norton | F | Sacramento | California | United States | 2005 Furnace Creek 508 | 32 | Two Mixed | FIN | 32:40:54 | |
| Orangutan | John | Oliver | M | United States | 1993 Furnace Creek 508 | N/A | Solo | DNF | ||||
| OrCa | Joe | Petersen | M | Bakersfield | California | United States | 1998 Furnace Creek 508 | 40 | Tandem Men | DNF | ||
| OrCa | George | Thomas | M | United States | 1998 Furnace Creek 508 | 35 | Tandem Men | DNF | ||||
| Oregon Sasquatch | Greg | Olson | M | Gresham | Oregon | United States | 2009 Furnace Creek 508 | 62 | Solo | FIN | 47:25:14 | Final Finisher! |
| Oregon Sasquatch | Greg | Olson | M | Gresham | Oregon | United States | 2010 Furnace Creek 508 | 63 | Solo | FIN | ||
| Oriole | Mike | Kloppel | M | Washington | United States | 1996 Furnace Creek 508 | N/A | Tandem Men | DNF | |||
| Oriole | George | Thomas | M | United States | 1996 Furnace Creek 508 | 33 | Tandem Men | DNF | ||||
| Orthros | Karta | Atehortua | M | Palo Alto | California | United States | 2008 Furnace Creek 508 | 32 | Two Recumbent | FIN | 28:14:56 | |
| Orthros | James | Kern | M | Sunnyvale | California | United States | 2008 Furnace Creek 508 | 50 | Two Recumbent | FIN | 28:14:56 | |
| Oryx | Joshua S. | Friedman | M | Los Angeles | California | United States | 2007 Furnace Creek 508 | 51 | Four Man | FIN | 35:36:11 | |
| Oryx | David | Garaffa | M | Snowmass Village | Colorado | United States | 2007 Furnace Creek 508 | 38 | Four Man | FIN | 35:36:11 | |
| Oryx | Timothy S. | Pasik | M | New York | New York | United States | 2007 Furnace Creek 508 | 47 | Four Man | FIN | 35:36:11 | |
| Oryx | Nathan | Sandler | M | Los Angeles | California | United States | 2007 Furnace Creek 508 | 46 | Four Man | FIN | 35:36:11 | |
| Osprey | Janet | Christiansen | F | Poway | California | United States | 2003 Furnace Creek 508 | 42 | Solo | FIN | 37:51:07 | |
| Osprey | Janet | Christiansen | F | Palm Springs | California | United States | 2004 Furnace Creek 508 | 43 | Solo | FIN | 35:36:24 | |
| Ostrich | Eric | Ostendorff | M | Torrance | California | United States | 2001 Furnace Creek 508 | 40 | Solo | FIN | 32:34:00 | RQ |
| Ostrich | Eric | Ostendorff | M | Torrance | California | United States | 2002 Furnace Creek 508 | 41 | Solo | FIN | 31:14:11 | Pre. Qual. |
| Ostrich | Eric | Ostendorff | M | Torrance | California | United States | 2003 Furnace Creek 508 | 42 | Solo | FIN | 31:38:39 | |
| Ostrich | Eric | Ostendorff | M | Torrance | California | United States | 2004 Furnace Creek 508 | 43 | Solo | DNF | ||
| Otter | Drew | Olewnick | M | United States | 1997 Furnace Creek 508 | 37 | Solo | FIN | 44:26:00 | RAAM Qualifier | ||
| Outback Wombat | Tony | Klaich | M | Chicago | Illinois | United States | 2009 Furnace Creek 508 | 39 | Two Man | FIN | 34:11:31 | |
| Outback Wombat | Scott | Swaney | M | Littleton | Colorado | United States | 2009 Furnace Creek 508 | 41 | Two Man | FIN | 34:11:31 | |
| Ox | Boris Sørgaar | Hansen | M | Sørborg | Denmark | Denmark | 2007 Furnace Creek 508 | 33 | Two Man | FIN | 30:00:12 | |
| Ox | Hans Anton | Nygaard | M | Copenhagen | Denmark | Denmark | 2007 Furnace Creek 508 | 31 | Two Man | FIN | 30:00:12 | |
| Ox | Boris Sørgaar | Hansen | M | Søborg | Denmark | Denmark | 2008 Furnace Creek 508 | 34 | Two Man | FIN | 26:53:29 | |
| Ox | Hans Anton | Nygaard | M | Copenhagen | Denmark | Denmark | 2008 Furnace Creek 508 | 33 | Two Man | FIN | 26:53:29 | |
| Oyster | Erik J. | Wochna | M | Northridge | California | United States | 2004 Furnace Creek 508 | 25 | Solo | FIN | 40:21:04 | |
| PAC Rats | Victor | Gallo | M | Boulder | Colorado | United States | 2007 Furnace Creek 508 | 75 | Four Man | FIN | 43:15:25 | |
| PAC Rats | Robert E. | Kash | M | Monroe | Ohio | United States | 2007 Furnace Creek 508 | 73 | Four Man | FIN | 43:15:25 | |
| PAC Rats | Joseph F. | Smith | M | Williamsville | New York | United States | 2007 Furnace Creek 508 | 62 | Four Man | FIN | 43:15:25 | |
| Pancake Tortoise | Jim | Ryan | M | Sammamish | Washington | United States | 2008 Furnace Creek 508 | 47 | Solo | FIN | 35:26:58 | |
| Pancake Tortoise | Jim | Ryan | M | Sammamish | Washington | United States | 2009 Furnace Creek 508 | 48 | Solo | FIN | 39:31:01 | |
| Pancake Tortoise | Jim | Ryan | M | Sammamish | Washington | United States | 2010 Furnace Creek 508 | 49 | Solo | FIN | ||
| Panda | Justin | Peschka | M | Chandler | Arizona | United States | 1996 Furnace Creek 508 | 21 | Solo | FIN | 30:55:39 | |
| Panda | Justin | Peschka | M | Chandler | Arizona | United States | 1997 Furnace Creek 508 | 22 | Solo | FIN | 28:42:02 | Course Record: 20+, 2nd solo finish |
| Panda | Justin | Peschka | M | Chandler | Arizona | United States | 1999 Furnace Creek 508 | 24 | Solo | FIN | 30:06:25 | |
| Panda | Justin | Peschka | M | Chandler | Arizona | United States | 2001 Furnace Creek 508 | 26 | Solo | DNF | ||
| Panda Goat | Daniel | McGehee | M | Mesa | Arizona | United States | 2008 Furnace Creek 508 | 46 | Two Man | FIN | 26:06:22 | |
| Panda Goat | Justin | Peschka | M | Tucson | Arizona | United States | 2008 Furnace Creek 508 | 33 | Two Man | FIN | 26:06:22 | |
| Panther | Mark (Panther) | Patten | M | San Jose | California | United States | 1994 Furnace Creek 508 | 34 | Solo | FIN | 38:44:47 | |
| Panther | Mark (Panther) | Patten | M | San Jose | California | United States | 1998 Furnace Creek 508 | 38 | Solo | FIN | 37:01:15 | 3rd Solo Finish |
| Panther | Mark (Panther) | Patten | M | San Jose | California | United States | 2001 Furnace Creek 508 | 41 | Solo | FIN | 33:01:00 | PR; 4th solo finish |
| Panther | Mark (Panther) | Patten | M | San Jose | California | United States | 2002 Furnace Creek 508 | 42 | Solo | FIN | 33:07:12 | Pre. Qual. |
| Parrot | Jeff | Bauer | M | Nashville | Tennessee | United States | 2004 Furnace Creek 508 | 44 | Solo Fixed Gear | FIN | 44:01:00 | |
| Peacock | Skip | Hamilton | M | Colorado | United States | 1995 Furnace Creek 508 | 50 | Four Man | FIN | 23:07:58 | Course Record: Open Format | |
| Peacock | Fred | Matheny | M | Colorado | United States | 1995 Furnace Creek 508 | 50 | Four Man | FIN | 23:07:58 | Course Record: Open Format | |
| Peacock | Ed | Pavelka | M | United States | 1995 Furnace Creek 508 | 49 | Four Man | FIN | 23:07:58 | Course Record: Open Format | ||
| Peacock | Pete | Penseyres | M | Fallbrook | California | United States | 1995 Furnace Creek 508 | 52 | Four Man | FIN | 23:07:58 | Course Record: Open Format |
| Pegasus | Joe | Petersen | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 41 | Tandem Mixed | DNF | TS3 - stomach | |
| Pegasus | Tina | Petersen | F | Bakersfield | California | United States | 1999 Furnace Creek 508 | 40 | Tandem Mixed | DNF | TS3 - stomach | |
| Pegasus | Joe | Petersen | M | Bakersfield | California | United States | 2003 Furnace Creek 508 | 45 | Two Mixed | FIN | 29:04:19 | Course Record! |
| Pegasus | Tina | Petersen | F | Bakersfield | California | United States | 2003 Furnace Creek 508 | 44 | Two Mixed | FIN | 29:04:19 | Course Record! |
| Pekingese | Jeffrey | Bonk | M | Sioux Falls | South Dakota | United States | 2007 Furnace Creek 508 | 29 | Solo | FIN | 47:40:33 | Final Finisher! |
| Pekingese | Jeffrey | Bonk | M | Sioux Falls | South Dakota | United States | 2008 Furnace Creek 508 | 30 | Solo | FIN | 44:46:43 | |
| Pelican | Emmy | Klassen | F | California | United States | 2001 Furnace Creek 508 | 42 | Two Mixed | FIN | 30:28:00 | course record | |
| Pelican | Bill | Palmer | M | Ojai | California | United States | 2001 Furnace Creek 508 | 44 | Two Mixed | FIN | 30:28:00 | course record |
| Penguin | Peter | Pop | M | Malibu | California | United States | 1995 Furnace Creek 508 | 46 | Solo | FIN | 30:24:45 | |
| Penguin | Peter | Pop | M | Malibu | California | United States | 1996 Furnace Creek 508 | 47 | Solo | FIN | 30:08:58 | 2nd solo finish |
| Penguin | Peter | Pop | M | Malibu | California | United States | 1997 Furnace Creek 508 | 48 | Solo | FIN | 34:14:21 | 3rd solo finish |
| Penguin | Peter | Pop | M | Malibu | California | United States | 1998 Furnace Creek 508 | 49 | Solo | FIN | 35:30:55 | 4th solo finish |
| Penguin | Peter | Pop | M | Malibu | California | United States | 2000 Furnace Creek 508 | 51 | Solo | FIN | 34:50:30 | |
| Penguin | Peter | Pop | M | Malibu | California | United States | 2001 Furnace Creek 508 | 52 | Solo | FIN | 35:32:00 | 6th solo finish |
| Penguin | Peter | Pop | M | Malibu | California | United States | 2004 Furnace Creek 508 | 55 | Solo | FIN | 39:28:20 | |
| Peregrine Falcon | Jason | Turner | M | Austin | Texas | United States | 2004 Furnace Creek 508 | 29 | Solo | DNF | ||
| Phoenix | Kevin | Zelenka | M | Truth or Consequences | New Mexico | United States | 2002 Furnace Creek 508 | 45 | Solo | DNF | ||
| Phoenix | Michael | Hanes | M | Limerick | Maine | United States | 2010 Furnace Creek 508 | 28 | Two Man | FIN | ||
| Phoenix | Steve | Hanes | M | Westfield | Pennsylvania | United States | 2010 Furnace Creek 508 | 54 | Two Man | FIN | ||
| Picachu | Francis-Marlon | Ignacio | M | Duarte | California | United States | 2006 Furnace Creek 508 | 39 | Solo | FIN | 43:10:33 | |
| Picachu | Francis-Marlon | Ignacio | M | Duarte | California | United States | 2007 Furnace Creek 508 | 40 | Solo | DNF | ||
| Picachu | Francis-Marlon | Ignacio | M | Duarte | California | United States | 2008 Furnace Creek 508 | 41 | Solo | FIN | 42:09:28 | |
| Picachu | Francis-Marlon | Ignacio | M | Duarte | California | United States | 2009 Furnace Creek 508 | 42 | Solo | DNF | ||
| Picachu | Francis-Marlon | Ignacio | M | Duarte | California | United States | 2010 Furnace Creek 508 | 43 | Solo | FIN | ||
| Pickled Herring | Catharina | Berge | F | Pullman | Washington | United States | 2007 Furnace Creek 508 | 41 | Two Mixed | FIN | 27:34:29 | |
| Pickled Herring | Jan | Christiansen | M | Stockholm | Sweden | 2007 Furnace Creek 508 | 40 | Two Mixed | FIN | 27:34:29 | ||
| Piglet | Robert | Pogorelz | M | Ft. Morgan | Colorado | United States | 1999 Furnace Creek 508 | 44 | Solo | DNF | TS4 - body shut down | |
| Piglet | Robert | Pogorelz | M | Ft. Morgan | Colorado | United States | 2000 Furnace Creek 508 | 45 | Solo | DNF | ||
| Piglet | Robert | Pogorelz | M | Fort Morgan | Colorado | United States | 2001 Furnace Creek 508 | 46 | Solo | FIN | 44:50:00 | |
| Piglet | Robert | Pogorelz | M | Fort Morgan | Colorado | United States | 2002 Furnace Creek 508 | 47 | Solo | FIN | 45:01:20 | |
| Pika | Cathy | Cramer | F | La Veta | Colorado | United States | 2010 Furnace Creek 508 | 46 | Solo | FIN | ||
| Pileated Woodpecker | Tim | Marks | M | Andover | Minnesota | United States | 2010 Furnace Creek 508 | 51 | Solo | FIN | ||
| Piranha | Carl | Poppe | M | Sebastopol | California | United States | 2002 Furnace Creek 508 | 36 | Solo | FIN | 36:58:11 | New Qual. |
| Piranha | Carl | Poppe | M | Sebastopol | California | United States | 2003 Furnace Creek 508 | 37 | Solo | DNF | ||
| Pitsnake | Mark (Panther) | Patten | M | San Jose | California | United States | 1996 Furnace Creek 508 | 36 | Tandem Mixed | FIN | 32:28:12 | Course Record, 2nd solo finish |
| Pitsnake | Cindi | Staiger | F | San Jose | California | United States | 1996 Furnace Creek 508 | 44 | Tandem Mixed | FIN | 32:28:12 | Course Record, 2nd solo finish |
| Platypus | Noah | Dowell | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 28 | Two Man | FIN | 28:16:00 | |
| Platypus | John | Heiss | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 26 | Two Man | FIN | 28:16:00 | |
| Polar Bear | Brian | Bowling | M | Laguna Niguel | California | United States | 2002 Furnace Creek 508 | 28 | Four Man | FIN | 27:01:35 | |
| Polar Bear | Doug | Patterson | M | Orange | California | United States | 2002 Furnace Creek 508 | 42 | Four Man | FIN | 27:01:35 | |
| Polar Bear | Tony | Rodriguez | M | Victorville | California | United States | 2002 Furnace Creek 508 | 45 | Four Man | FIN | 27:01:35 | |
| Polar Bear | Herb Spike | Summers | M | Burbank | California | United States | 2002 Furnace Creek 508 | 53 | Four Man | FIN | 27:01:35 | |
| Polar Bear | Doug | Patterson | M | Orange | California | United States | 2005 Furnace Creek 508 | 45 | Solo | FIN | 40:25:26 | |
| Polar Bear | Doug | Patterson | M | Orange | California | United States | 2007 Furnace Creek 508 | 47 | Solo | FIN | 35:20:40 | |
| Polar Bear | Doug | Patterson | M | Orange | California | United States | 2010 Furnace Creek 508 | 50 | Solo | FIN | ||
| Polecat | Greg | Page | M | Downey | California | United States | 1998 Furnace Creek 508 | 35 | Solo | FIN | 47:13:45 | |
| Polecat | Greg | Page | M | Downey | California | United States | 2002 Furnace Creek 508 | 39 | Solo | FIN | 46:54:57 | |
| Poodle | Joe | Petersen | M | Bakersfield | California | United States | 2002 Furnace Creek 508 | 44 | Four Man | FIN | 26:44:00 | |
| Poodle | Peter | Pop | M | Malibu | California | United States | 2002 Furnace Creek 508 | 53 | Four Man | FIN | 26:44:00 | |
| Poodle | Tim | Skipper | M | Castaic | California | United States | 2002 Furnace Creek 508 | 45 | Four Man | FIN | 26:44:00 | |
| Poodle | Doug | Sloan | M | Fresno | California | United States | 2002 Furnace Creek 508 | 42 | Four Man | FIN | 26:44:00 | |
| Porcupine | Carl | Funk | M | Arlington | Texas | United States | 2002 Furnace Creek 508 | 33 | Solo | DNF | ||
| Pork Fish | Jon | Powell | M | Bryn Mawr | Pennsylvania | United States | 2008 Furnace Creek 508 | 51 | Solo | FIN | 41:46:55 | |
| Porpoise | Thomas | Fennell | M | Ojai | California | United States | 1995 Furnace Creek 508 | N/A | Four Mixed | FIN | 29:54:40 | |
| Porpoise | Teresa | Scarborough | F | California | United States | 1995 Furnace Creek 508 | N/A | Four Mixed | FIN | 29:54:40 | ||
| Porpoise | Robert | Stone | M | Oak View | California | United States | 1995 Furnace Creek 508 | N/A | Four Mixed | FIN | 29:54:40 | |
| Porpoise | Rosemary | Stone | F | Oak View | California | United States | 1995 Furnace Creek 508 | N/A | Four Mixed | FIN | 29:54:40 | |
| Porpoise | Traci | David | F | Ojai | California | United States | 1996 Furnace Creek 508 | N/A | Four Mixed | FIN | 28:55:45 | 2nd team finish |
| Porpoise | Pablo | Fennell | M | Ojai | California | United States | 1996 Furnace Creek 508 | N/A | Four Mixed | FIN | 28:55:45 | 2nd team finish |
| Porpoise | Robert | Stone | M | Oak View | California | United States | 1996 Furnace Creek 508 | N/A | Four Mixed | FIN | 28:55:45 | 2nd team finish |
| Porpoise | Rosemary | Stone | F | Oak View | California | United States | 1996 Furnace Creek 508 | N/A | Four Mixed | FIN | 28:55:45 | 2nd team finish |
| Portuguese Man-O-War | Lauren | Fithian | F | Minneapolis | Minnesota | United States | 2006 Furnace Creek 508 | 48 | Solo | DNF | ||
| Pound Puppy | Vinnie | Tortorich | M | Beverly Hills | California | United States | 2006 Furnace Creek 508 | 44 | Solo | DNF | ||
| Pound Puppy | Vinnie | Tortorich | M | Beverly Hills | California | United States | 2008 Furnace Creek 508 | 46 | Solo | FIN | 33:46:47 | |
| Pound Puppy | Vinnie | Tortorich | M | Beverly Hills | California | United States | 2009 Furnace Creek 508 | 47 | Solo | DNF | ||
| Pound Puppy | Christine | DeRonde | F | Calabasas | California | United States | 2010 Furnace Creek 508 | 43 | Four Man | FIN | ||
| Pound Puppy | Jonathan | Goldhill | M | Calabasas | California | United States | 2010 Furnace Creek 508 | 52 | Four Man | FIN | ||
| Pound Puppy | Steven | Gruman | M | Los Angeles | California | United States | 2010 Furnace Creek 508 | 52 | Four Man | FIN | ||
| Pound Puppy | Vinnie | Tortorich | M | Beverly Hills | California | United States | 2010 Furnace Creek 508 | 48 | Four Man | FIN | ||
| Prairie Dog | Paul | Vlasveld | M | San Jose | California | United States | 2005 Furnace Creek 508 | 46 | Solo | FIN | 41:59:26 | |
| Prairie Dog | Brent Michael | Kious | M | Los Angeles | California | United States | 2006 Furnace Creek 508 | 28 | Solo | DNF | ||
| Prairie Dog | Franz | Kelsch | M | Gilroy | California | United States | 2007 Furnace Creek 508 | 59 | Two Man | FIN | 33:25:49 | |
| Prairie Dog | Paul | Vlasveld | M | San Jose | California | United States | 2007 Furnace Creek 508 | 48 | Two Man | FIN | 33:25:49 | |
| Prairie Dog | Franz | Kelsch | M | Gilroy | California | United States | 2008 Furnace Creek 508 | 60 | Two Man | FIN | 32:17:08 | |
| Prairie Dog | Paul | Vlasveld | M | San Jose | California | United States | 2008 Furnace Creek 508 | 49 | Two Man | FIN | 32:17:08 | |
| Prairie Dog | Louise | McCracken | F | Alviso | California | United States | 2009 Furnace Creek 508 | 49 | Two Mixed | FIN | 40:46:15 | |
| Prairie Dog | Paul | Vlasveld | M | San Jose | California | United States | 2009 Furnace Creek 508 | 50 | Two Mixed | FIN | 40:46:15 | |
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | United States | 2006 Furnace Creek 508 | 50 | Two Man | FIN | 37:15:04 | |
| Prairie Falcon | Ashton | Johnson | M | Camarillo | California | United States | 2006 Furnace Creek 508 | 54 | Two Man | FIN | 37:15:04 | |
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | United States | 2007 Furnace Creek 508 | 51 | Four Man | FIN | 29:41:09 | |
| Prairie Falcon | Ashton | Johnson | M | Camarillo | California | United States | 2007 Furnace Creek 508 | 55 | Four Man | FIN | 29:41:09 | |
| Prairie Falcon | Kurt | Pickle | M | Santa Rosa | California | United States | 2007 Furnace Creek 508 | 37 | Four Man | FIN | 29:41:09 | |
| Prairie Falcon | Chad | Smith | M | Danville | California | United States | 2007 Furnace Creek 508 | 37 | Four Man | FIN | 29:41:09 | |
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | United States | 2008 Furnace Creek 508 | 52 | Four Man | FIN | 28:36:06 | |
| Prairie Falcon | Paul | Harris | M | Westlake Village | California | United States | 2008 Furnace Creek 508 | 41 | Four Man | FIN | 28:36:06 | |
| Prairie Falcon | Kurt | Pickle | M | Santa Rosa | California | United States | 2008 Furnace Creek 508 | 38 | Four Man | FIN | 28:36:06 | |
| Prairie Falcon | Chad | Smith | M | Alamo | California | United States | 2008 Furnace Creek 508 | 38 | Four Man | FIN | 28:36:06 | |
| Prairie Falcon | Christopher | Brown | M | Valencia | California | United States | 2009 Furnace Creek 508 | 46 | Four Man | FIN | 40:11:53 | |
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | United States | 2009 Furnace Creek 508 | 53 | Four Man | FIN | 40:11:53 | |
| Prairie Falcon | Thomas | Byrnes | M | Los Angeles | California | United States | 2009 Furnace Creek 508 | 62 | Four Man | FIN | 40:11:53 | |
| Prairie Falcon | Charlie | Watler | M | Valencia | California | United States | 2009 Furnace Creek 508 | 42 | Four Man | FIN | 40:11:53 | |
| Prairie Falcon | Christopher | Brown | M | Valencia | California | United States | 2010 Furnace Creek 508 | 47 | Four Man | FIN | ||
| Prairie Falcon | Jack | Brunk | M | Newbury Park | California | United States | 2010 Furnace Creek 508 | 54 | Four Man | FIN | ||
| Prairie Falcon | Thomas | Byrnes | M | Los Angeles | California | United States | 2010 Furnace Creek 508 | 63 | Four Man | FIN | ||
| Prairie Falcon | Charlie | Watler | M | Valencia | California | United States | 2010 Furnace Creek 508 | 43 | Four Man | FIN | ||
| Prasmodon | Jeffrey | Davis | M | Coronado | California | United States | 2010 Furnace Creek 508 | 55 | Four Man | FIN | ||
| Prasmodon | John | McAllister | M | Redmond | Washington | United States | 2010 Furnace Creek 508 | 46 | Four Man | FIN | ||
| Prasmodon | Joseph | Rossano | M | Arlington | Washington | United States | 2010 Furnace Creek 508 | 48 | Four Man | FIN | ||
| Prasmodon | Bradley | Zlotnick | M | San Diego | California | United States | 2010 Furnace Creek 508 | 49 | Four Man | FIN | ||
| Praying Mantis | William | Pratt-Steele | M | Canyon | Texas | United States | 2003 Furnace Creek 508 | 49 | Solo | FIN | 38:17:52 | |
| Praying Mantis | William | Pratt-Steele | M | Canyon | Texas | United States | 2005 Furnace Creek 508 | 51 | Solo | FIN | 40:57:34 | |
| Pronghorn | John | Lauer | M | Elk Grove | California | United States | 2004 Furnace Creek 508 | 41 | Two Man | FIN | 36:30:15 | |
| Pronghorn | Bob | Paxson | M | Elk Grove | California | United States | 2004 Furnace Creek 508 | 45 | Two Man | FIN | 36:30:15 | |
| Pronghorn | John | Lauer | M | Elk Grove | California | United States | 2006 Furnace Creek 508 | 43 | Two Man | FIN | 34:18:21 | |
| Pronghorn | Bob | Paxson | M | Sacramento | California | United States | 2006 Furnace Creek 508 | 47 | Two Man | FIN | 34:18:21 | |
| Protoceratops | Steven P. | Barnes | M | Rimforest | California | United States | 2006 Furnace Creek 508 | 49 | Two Man | FIN | 40:18:15 | |
| Protoceratops | Bryan | Pro | M | Davis | California | United States | 2006 Furnace Creek 508 | 28 | Two Man | FIN | 40:18:15 | |
| Protoceratops | Steven P. | Barnes | M | Rimforest | California | United States | 2007 Furnace Creek 508 | 50 | Solo | FIN | ||
| Protoceratops | Steven P. | Barnes | M | Rimforest | California | United States | 2008 Furnace Creek 508 | 51 | Solo Classic | DNF | ||
| Protoceratops | Steven P. | Barnes | M | Rimforest | California | United States | 2009 Furnace Creek 508 | 52 | Two Man Classic | FIN | 43:53:04 | |
| Protoceratops | Steven | Tiede | M | Bishop | California | United States | 2009 Furnace Creek 508 | 54 | Two Man Classic | FIN | 43:53:04 | |
| Protoceratops | Steven P. | Barnes | M | Rimforest | California | United States | 2010 Furnace Creek 508 | 53 | Solo Classic | FIN | ||
| Pteradactyl | Jim | Petri | M | Mesa | Arizona | United States | 1999 Furnace Creek 508 | 60 | Solo | FIN | 41:41:38 | RQ, 60+ CR |
| Pteradactyl | Jim | Pitre | M | Mesa | Arizona | United States | 2001 Furnace Creek 508 | 61 | Solo | FIN | 37:55:00 | course record |
| Puca Fairy | Dana | Lieberman | M | Valley Village | California | United States | 2009 Furnace Creek 508 | 41 | Two Recumbent | DNF | ||
| Puca Fairy | Christopher | Young | M | Portland | Oregon | United States | 2009 Furnace Creek 508 | 40 | Two Recumbent | DNF | ||
| Puffin | Phillip | Kramer | M | Yorba Linda | California | United States | 2004 Furnace Creek 508 | 45 | Solo | FIN | 38:01:55 | |
| Puma | Bill | Peschka | M | Chandler | Arizona | United States | 1994 Furnace Creek 508 | 45 | Solo | FIN | 44:29:31 | |
| Puma | Bill | Peschka | M | Chandler | Arizona | United States | 1995 Furnace Creek 508 | 46 | Solo | FIN | 42:02:13 | 2nd solo finish |
| Pupfish | Louise | Comar | F | Atascadero | California | United States | 2004 Furnace Creek 508 | 51 | Two Woman | FIN | 35:50:45 | COURSE RECORD |
| Pupfish | Jennie | Phillips | F | Danville | California | United States | 2004 Furnace Creek 508 | 43 | Two Woman | FIN | 35:50:45 | COURSE RECORD |
| Pygmy Hippo | Brad | Majors | M | Chicago | Illinois | United States | 2010 Furnace Creek 508 | 38 | Solo | FIN | ||
| Python | Graham | Pollock | M | Cupertino | California | United States | 2002 Furnace Creek 508 | 35 | Solo | FIN | 36:41:14 | New Qual. |
| Python | Graham | Pollock | M | Folson | California | United States | 2004 Furnace Creek 508 | 37 | Solo | FIN | 38:23:20 | |
| Python | Graham | Pollock | M | Folsom | California | United States | 2006 Furnace Creek 508 | 39 | Solo | FIN | 32:48:40 | |
| Python | Graham | Pollock | M | Folsom | California | United States | 2008 Furnace Creek 508 | 41 | Solo | FIN | 30:31:01 | |
| Python | Graham | Pollock | M | Folsom | California | United States | 2010 Furnace Creek 508 | 43 | Solo | FIN | ||
| Quack | Rick | Ashabranner | M | Livermore | California | United States | 2002 Furnace Creek 508 | 33 | Four Man | FIN | 27:17:44 | |
| Quack | Leonard | Fieber | M | Tucson | Arizona | United States | 2002 Furnace Creek 508 | 50 | Four Man | FIN | 27:17:44 | |
| Quack | Istvan | Makk | M | Antioch | California | United States | 2002 Furnace Creek 508 | 44 | Four Man | FIN | 27:17:44 | |
| Quack | Michael | Maloney | M | Livermore | California | United States | 2002 Furnace Creek 508 | 51 | Four Man | FIN | 27:17:44 | |
| Quadzilla | Riley | McAlpine | F | Santa Monica | California | United States | 1998 Furnace Creek 508 | 29 | Solo | FIN | 38:53:50 | |
| Quagga | James | Quinley | M | Turlock | California | United States | 2000 Furnace Creek 508 | 41 | Solo | FIN | 45:49:29 | |
| Quail | Roehl | Caragao | M | Bakersfield | California | United States | 1997 Furnace Creek 508 | 34 | Four Mixed | FIN | 25:53:24 | |
| Quail | Frank | Lobre | M | United States | 1997 Furnace Creek 508 | 47 | Four Mixed | FIN | 25:53:24 | |||
| Quail | Vickie | Rigby | F | Bakersfield | California | United States | 1997 Furnace Creek 508 | 46 | Four Mixed | FIN | 25:53:24 | |
| Quail | Susan | Schima | F | United States | 1997 Furnace Creek 508 | N/A | Four Mixed | FIN | 25:53:24 | |||
| Quarter Horse | David | Elsberry | M | Laguna Niguel | California | United States | 2010 Furnace Creek 508 | 59 | Solo | FIN | ||
| Queen Bees | Marvis | Friesen | F | Bakersfield | California | United States | 2003 Furnace Creek 508 | 56 | Two Woman | FIN | 34:25:36 | Course Record! |
| Queen Bees | Vickie | Rigby | F | Bakersfield | California | United States | 2003 Furnace Creek 508 | 52 | Two Woman | FIN | 34:25:36 | Course Record! |
| Quetzal | Monica | Fernandez | F | Casablanca | Morocco | 2008 Furnace Creek 508 | 40 | Solo | FIN | 32:58:12 | 2008 Death Valley Cup: Badwater + The 508 | |
| Quokka | Mark | Raaka | M | Ellensburg | Washington | United States | 2004 Furnace Creek 508 | 35 | Solo | FIN | 40:50:38 | |
| Rabbit | Tom | Rieber | M | Reseda | California | United States | 1999 Furnace Creek 508 | 26 | Solo | DNF | TS3 - fatigue | |
| Rabbit | Tom | Rieber | M | Venice | California | United States | 2000 Furnace Creek 508 | 27 | Solo | DNF | ||
| Rabbit | Tom | Rieber | M | Venice | California | United States | 2003 Furnace Creek 508 | 30 | Solo | FIN | 45:10:50 | |
| Raccoon | Aaron | Rumple | M | United States | 1997 Furnace Creek 508 | 35 | Solo | DNF | stomach | |||
| Racer | Rick | Boethling | M | Boulder | Colorado | United States | 2010 Furnace Creek 508 | 40 | Four Man | FIN | ||
| Racer | Timothy | Case | M | Boulder | Colorado | United States | 2010 Furnace Creek 508 | 34 | Four Man | FIN | ||
| Racer | George | Thomas | M | Hood River | Oregon | United States | 2010 Furnace Creek 508 | 47 | Four Man | FIN | ||
| Racer | Mick | Walsh | M | Seattle | Washington | United States | 2010 Furnace Creek 508 | 48 | Four Man | FIN | ||
| Rafiki the Baboon | Gregory | Robinson | M | Westlake Village | California | United States | 2008 Furnace Creek 508 | 39 | Solo | FIN | 31:00:59 | |
| Rafiki the Baboon | Gregory | Robinson | M | Westlake Village | California | United States | 2009 Furnace Creek 508 | 40 | Solo | FIN | 38:13:30 | |
| Ram | Chris | Ragsdale | M | Seattle | Washington | United States | 2005 Furnace Creek 508 | 28 | Solo | FIN | 31:12:38 | |
| Ram | Chris | Ragsdale | M | Seattle | Washington | United States | 2006 Furnace Creek 508 | 29 | Solo | DNF | ||
| RAM | Chris | Ragsdale | M | Seattle | Washington | United States | 2008 Furnace Creek 508 | 31 | Solo | FIN | 29:10:43 | |
| RAM | Chris | Ragsdale | M | Seattle | Washington | United States | 2009 Furnace Creek 508 | 32 | Solo | FIN | 29:10:31 | |
| RAM | Chris | Ragsdale | M | Seattle | Washington | United States | 2010 Furnace Creek 508 | 33 | Solo | FIN | ||
| Raptor | Kathleen | Rogers | F | Phoenix | Arizona | United States | 2000 Furnace Creek 508 | 45 | Solo | DNF | ||
| Rat Pack | Cameron | Brenneman | M | Mission Viejo | California | United States | 1999 Furnace Creek 508 | 22 | Four Man | FIN | 23:26:27 | |
| Rat Pack | Robert J. | Mack | M | Rancho Santa Margarita | California | United States | 1999 Furnace Creek 508 | 33 | Four Man | FIN | 23:26:27 | |
| Rat Pack | Scott (Mule) | Martinmaas | M | Mission Viejo | California | United States | 1999 Furnace Creek 508 | 36 | Four Man | FIN | 23:26:27 | |
| Rat Pack | Donald | Miller | M | Foothill Ranch | California | United States | 1999 Furnace Creek 508 | 39 | Four Man | FIN | 23:26:27 | |
| Rat Snake | Kenneth | Stalter | M | Franklin | New York | United States | 2009 Furnace Creek 508 | 55 | Solo | FIN | 44:48:01 | |
| Ratel | David | Elsberry | M | Laguna Niguel | California | United States | 2009 Furnace Creek 508 | 58 | Two Man | FIN | 33:06:50 | |
| Ratel | Doug | Patterson | M | Orange | California | United States | 2009 Furnace Creek 508 | 49 | Two Man | FIN | 33:06:50 | |
| Rattlesnake | Charles | Rowell | M | United States | 1998 Furnace Creek 508 | 33 | Solo | DNF | ||||
| Raven | Byron | Rieper | M | Overland Park | Kansas | United States | 1999 Furnace Creek 508 | 50 | Solo | FIN | 38:25:08 | |
| Raven | Byron | Rieper | M | Overland Park | Kansas | United States | 2000 Furnace Creek 508 | 51 | Solo | DNF | ||
| Raven | Byron | Rieper | M | Overland Park | Kansas | United States | 2008 Furnace Creek 508 | 59 | Solo | FIN | 37:39:30 | |
| Raven Lunatics | David | Bradley | M | Arcata | California | United States | 2007 Furnace Creek 508 | 48 | Two Recumbent | FIN | 33:47:01 | |
| Raven Lunatics | William A. | Spaeth | M | Arcata | California | United States | 2007 Furnace Creek 508 | 47 | Two Recumbent | FIN | 33:47:01 | |
| Raven Lunatics | David | Bradley | M | Arcata | California | United States | 2008 Furnace Creek 508 | 49 | Two Recumbent | FIN | 32:44:35 | |
| Raven Lunatics | Jim | Verheul | M | Westlake Village | California | United States | 2008 Furnace Creek 508 | 43 | Two Recumbent | FIN | 32:44:35 | |
| Raven Lunatics | David | Bradley | M | Arcata | California | United States | 2010 Furnace Creek 508 | 52 | Four Recumbent | FIN | ||
| Raven Lunatics | James | Kern | M | Sunnyvale | California | United States | 2010 Furnace Creek 508 | 52 | Four Recumbent | FIN | ||
| Raven Lunatics | John | Schlitter | M | St. Petersburg | Florida | United States | 2010 Furnace Creek 508 | 54 | Four Recumbent | FIN | ||
| Raven Lunatics | William A. | Spaeth | M | Arcata | Florida | United States | 2010 Furnace Creek 508 | 50 | Four Recumbent | FIN | ||
| Red Bull | Anthony | Boyd | M | Redlands | California | United States | 2010 Furnace Creek 508 | 47 | Two Man | FIN | ||
| Red Bull | Rodney | Boyd | M | Laguna Beach | California | United States | 2010 Furnace Creek 508 | 44 | Two Man | FIN | ||
| Red Horse | Mitchell | Hastings | M | Rancho Murieta | California | United States | 2003 Furnace Creek 508 | 37 | Solo | DNF | ||
| Red Horse | Mitchell | Hastings | M | Rancho Murieta | California | United States | 2004 Furnace Creek 508 | 38 | Solo | DNF | lost will to live | |
| Red Kangaroo | Johnny | Boswell | M | Fredericksburg | Texas | United States | 2005 Furnace Creek 508 | 52 | Two Man | FIN | 31:13:29 | |
| Red Kangaroo | Paul | Skilbeck | M | San Francisco | California | United States | 2005 Furnace Creek 508 | 42 | Two Man | FIN | 31:13:29 | |
| Red Kangaroo | Andres | Caicedo | M | San Francisco | California | United States | 2006 Furnace Creek 508 | 36 | Two Man | FIN | 29:08:41 | |
| Red Kangaroo | Paul | Skilbeck | M | Lafayette | California | United States | 2006 Furnace Creek 508 | 43 | Two Man | FIN | 29:08:41 | |
| Red Legged Frog | Roehl | Caragao | M | Bakersfield | California | United States | 2001 Furnace Creek 508 | 38 | Solo | FIN | 36:18:00 | |
| Red Legged Frog | Roehl | Caragao | M | Fresno | California | United States | 2005 Furnace Creek 508 | 42 | Solo | FIN | 41:19:58 | |
| Red Racers | Tom | Miller | M | Valley Center | California | United States | 2003 Furnace Creek 508 | 52 | Two Man | FIN | 41:28:00 | |
| Red Racers | Mike | Sturgill | M | Phoenix | Arizona | United States | 2003 Furnace Creek 508 | 44 | Two Man | FIN | 41:28:00 | |
| Red Robin | Roehl | Caragao | M | Bakersfield | California | United States | 2000 Furnace Creek 508 | 37 | Tandem Men | FIN | 33:36:57 | |
| Red Robin | Bob | Smith | M | Bakersfield | California | United States | 2000 Furnace Creek 508 | 48 | Tandem Men | FIN | 33:36:57 | |
| Red Rockettes | Susan | Barr | F | Vancouver | British Columbia | Canada | 2000 Furnace Creek 508 | 45 | Four Woman | FIN | 29:50:17 | Established a new age group course record |
| Red Rockettes | Muffy | Ritz | F | Ketchum | Idaho | United States | 2000 Furnace Creek 508 | 43 | Four Woman | FIN | 29:50:17 | Established a new age group course record |
| Red Rockettes | Anne | Schneider | F | Davis | California | United States | 2000 Furnace Creek 508 | 52 | Four Woman | FIN | 29:50:17 | Established a new age group course record |
| Red Rockettes | Lulu | Weschler | F | Colts Neck | New Jersey | United States | 2000 Furnace Creek 508 | 52 | Four Woman | FIN | 29:50:17 | Established a new age group course record |
| Red Rooster | Eric | Wilson | M | Palmdale | California | United States | 2001 Furnace Creek 508 | 49 | Solo | FIN | 36:59:00 | |
| Red Rooster | Eric | Wilson | M | Palmdale | California | United States | 2002 Furnace Creek 508 | 50 | Solo | DNF | ||
| Red Rooster | Eric | Wilson | M | Palmdale | California | United States | 2003 Furnace Creek 508 | 51 | Solo | FIN | 33:10:05 | |
| Red Rooster | Eric | Wilson | M | Palmdale | California | United States | 2005 Furnace Creek 508 | 53 | Solo | FIN | 31:43:31 | |
| Red Tail Hawk | Steve | Scheetz | M | King of Prussia | Pennsylvania | United States | 2004 Furnace Creek 508 | 34 | Solo | DNF | ||
| Red Tail Hawk | Steve | Scheetz | M | King Of Prussia | Pennsylvania | United States | 2006 Furnace Creek 508 | 36 | Solo | DNF | ||
| Red Wolf | Mike | DeNoma | M | Singapore | Singapore | 2006 Furnace Creek 508 | 50 | Solo | FIN | 47:55:57 | ||
| Red-Eye Vireo | George A. | Vargas | M | Huntington Beach | California | United States | 2010 Furnace Creek 508 | 45 | Solo | FIN | ||
| Red-Eyed Vireo | George A. | Vargas | M | Encinitas | California | United States | 2006 Furnace Creek 508 | 41 | Solo | FIN | 42:59:52 | |
| Red-Eyed Vireo | George A. | Vargas | M | Encinitas | California | United States | 2007 Furnace Creek 508 | 42 | Solo Fixed Gear | FIN | 45:12:45 | |
| Red-Eyed Vireo | George A. | Vargas | M | Huntington Beach | California | United States | 2008 Furnace Creek 508 | 43 | Solo | FIN | 37:34:41 | |
| Red-Eyed Vireo | George A. | Vargas | M | Huntington Beach | California | United States | 2009 Furnace Creek 508 | 44 | Solo | FIN | 42:21:24 | |
| Red-Legged Frog | Roehl | Caragao | M | Fresno | California | United States | 2010 Furnace Creek 508 | 47 | Solo | FIN | ||
| Reindeer | Richard | Ruge | M | Harrison | New York | United States | 2001 Furnace Creek 508 | 45 | Solo | DNF | ||
| Reindeer | Richard | Ruge | M | Harrison | New York | United States | 2003 Furnace Creek 508 | 47 | Solo | DNF | ||
| Relucent Phoenix | Jennie | Phillips | F | Danville | California | United States | 2005 Furnace Creek 508 | 44 | Tandem Mixed | FIN | 31:26:51 | |
| Relucent Phoenix | Craig | Robertson | M | Los Altos | California | United States | 2005 Furnace Creek 508 | 48 | Tandem Mixed | FIN | 31:26:51 | |
| Retriever | Nicholas | Rice-McDonald | M | Santa Clara | California | United States | 2007 Furnace Creek 508 | 26 | Solo | DNF | ||
| Retriever | Nicholas | Rice-McDonald | M | Santa Clara | California | United States | 2008 Furnace Creek 508 | 27 | Solo | FIN | 37:50:06 | |
| Rhino | Scott | Gibb | M | California | United States | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 25:57:20 | ||
| Rhino | Greg | Lafferty | M | United States | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 25:57:20 | |||
| Rhino | Jeff | Lafferty | M | United States | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 25:57:20 | |||
| Rhino | Perry | Louck | M | California | United States | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 25:57:20 | ||
| Rhino Beetles | Mike | Carr | M | Rocklin | California | United States | 2009 Furnace Creek 508 | 38 | Four Man | FIN | 33:09:35 | |
| Rhino Beetles | Eric | Friend | M | Roseville | California | United States | 2009 Furnace Creek 508 | 32 | Four Man | FIN | 33:09:35 | |
| Rhino Beetles | Daniel | Hart | M | Playa Vista | California | United States | 2009 Furnace Creek 508 | 31 | Four Man | FIN | 33:09:35 | |
| Rhino Beetles | Dan | Lebson | M | Folsom | California | United States | 2009 Furnace Creek 508 | 32 | Four Man | FIN | 33:09:35 | |
| Ringtail | Anurang | Revri | M | San Francisco | California | United States | 2000 Furnace Creek 508 | 36 | Solo | DNF | ||
| River Cooters | Wes | Dale | M | San Ramon | California | United States | 2010 Furnace Creek 508 | 48 | Four Man | FIN | ||
| River Cooters | Christopher | Danesi | M | Lafayette | California | United States | 2010 Furnace Creek 508 | 43 | Four Man | FIN | ||
| River Cooters | Michael | Schwartz | M | Oakland | California | United States | 2010 Furnace Creek 508 | 32 | Four Man | FIN | ||
| River Cooters | David | Shinsky | M | Walnut Creek | California | United States | 2010 Furnace Creek 508 | 40 | Four Man | FIN | ||
| Roadrunner | Kurt | Rieder | M | Switzerland | 1995 Furnace Creek 508 | 33 | Solo | DNF | ||||
| Robin | Tom | Robertshaw | M | Birmingham | Alabama | United States | 2000 Furnace Creek 508 | 53 | Solo | DNF | ||
| Rock | Aldo | Calandro | M | Milano | Italy | 1999 Furnace Creek 508 | 43 | Solo | FIN | 48:02:15 | ||
| Rock Ewe | Jeanine | Spence | F | Fresno | California | United States | 2008 Furnace Creek 508 | 44 | Two Woman | FIN | 29:43:28 | |
| Rock Ewe | Lisa | Williams | F | Fresno | California | United States | 2008 Furnace Creek 508 | 40 | Two Woman | FIN | 29:43:28 | |
| Rock Rabbit | Adam | Bickett | M | San Diego | California | United States | 2009 Furnace Creek 508 | 26 | Solo | FIN | 38:16:34 | |
| Rock Rabbit | Adam | Bickett | M | San Diego | California | United States | 2010 Furnace Creek 508 | 27 | Solo Fixed Gear | FIN | ||
| Rocky Mountain Goat | Billy | Richmond | M | San Ramon | California | United States | 2007 Furnace Creek 508 | 41 | Two Man | FIN | 32:46:21 | |
| Rocky Mountain Goat | Reid | Swanson | M | San Ramon | California | United States | 2007 Furnace Creek 508 | 38 | Two Man | FIN | 32:46:21 | |
| Rocky Mountain Goat | Reid | Swanson | M | San Ramon | California | United States | 2008 Furnace Creek 508 | 39 | Solo | DNF | ||
| Rocky Mountain Wolf | Stuart | Kroonenberg | M | Highlands Ranch | Colorado | United States | 2004 Furnace Creek 508 | 35 | Solo | FIN | 36:34:10 | |
| Rocky Mountain Wolf | Stuart | Kroonenberg | M | Highlands Ranch | Colorado | United States | 2006 Furnace Creek 508 | 38 | Solo | FIN | 33:24:01 | |
| Rocky the Squirrel | Ole | Eichhorn | M | Westlake Village | California | United States | 2009 Furnace Creek 508 | 50 | Solo | DNF | ||
| Rollie Pollie | Bruce | Christensen | M | Northridge | California | United States | 2004 Furnace Creek 508 | 51 | Two Man | FIN | 36:35:10 | |
| Rollie Pollie | Loren | Ortiz | M | Chino | California | United States | 2004 Furnace Creek 508 | 33 | Two Man | FIN | 36:35:10 | |
| Rook | Douglas P. | Phillis | M | Cincinnati | Ohio | United States | 2007 Furnace Creek 508 | 48 | Solo | FIN | 46:56:18 | |
| Rooster | Michael | Ross | M | United States | 1996 Furnace Creek 508 | 42 | Solo | FIN | 38:15:35 | |||
| Rottweiler | Ralph | Jacobson | M | Santa Clarita | California | United States | 2006 Furnace Creek 508 | 46 | Solo | FIN | 42:02:12 | |
| Rottweiler | Ralph | Jacobson | M | Santa Clarita | California | United States | 2008 Furnace Creek 508 | 48 | Solo | FIN | 42:06:19 | |
| Rottweiler | Ralph | Jacobson | M | Santa Clarita | California | United States | 2009 Furnace Creek 508 | 49 | Solo | DNF | ||
| Rottwheeler | Matthew | Kunnari | M | Los Altos | California | United States | 2010 Furnace Creek 508 | 20 | Four Man | FIN | ||
| Rottwheeler | Howard | Mason | M | Los Altos | California | United States | 2010 Furnace Creek 508 | 68 | Four Man | FIN | ||
| Rottwheeler | Nancy | Mason | F | Los Altos | California | United States | 2010 Furnace Creek 508 | 49 | Four Man | FIN | ||
| Rottwheeler | Neale | Mason | M | Los Altos | California | United States | 2010 Furnace Creek 508 | 22 | Four Man | FIN | ||
| Rubber Duck | Wayne | Rosenthal | M | Bakersfield | California | United States | 2002 Furnace Creek 508 | 42 | Solo | FIN | 35:26:45 | New Qual. |
| Sabertooth Salmon | John | Spurgeon | M | Hillsboro | Oregon | United States | 2005 Furnace Creek 508 | 35 | Solo Fixed Gear | FIN | 45:47:40 | |
| Sabertooth Tiger | Kathy | Simko | F | Arizona | United States | 1996 Furnace Creek 508 | 33 | Solo | FIN | 38:45:05 | ||
| Sailfish | Craig | Morganson | M | Las Vegas | Nevada | United States | 2003 Furnace Creek 508 | 44 | Two Man | FIN | 29:44:01 | |
| Sailfish | Erik | Skramstad | M | Henderson | Nevada | United States | 2003 Furnace Creek 508 | 25 | Two Man | FIN | 29:44:01 | |
| Salamander | Joe | Clapper | M | Vienna | Virginia | United States | 2003 Furnace Creek 508 | 44 | Four Man | FIN | 36:13:41 | |
| Salamander | Allan | Stam | M | Lyme | New Hampshire | United States | 2003 Furnace Creek 508 | 41 | Four Man | FIN | 36:13:41 | |
| Salamander | Cynthia | Stam | M | Lyme | New Hampshire | United States | 2003 Furnace Creek 508 | 37 | Four Man | FIN | 36:13:41 | |
| Salamander | Eric | Wakin | M | New York | New York | United States | 2003 Furnace Creek 508 | 40 | Four Man | FIN | 36:13:41 | |
| Saluki | Lorraine | Gersitz | M | Fullerton | California | United States | 2002 Furnace Creek 508 | 48 | Two Mixed | FIN | 31:12:49 | Record |
| Saluki | Jeff | Stevenson | M | Solvang | California | United States | 2002 Furnace Creek 508 | 56 | Two Mixed | FIN | 31:12:49 | Record |
| Saluki | Mike | Burns | M | Yorba Linda | California | United States | 2003 Furnace Creek 508 | 55 | Four Mixed | FIN | 29:38:34 | Course Record! |
| Saluki | Deborah | Caplan | F | Agoura Hills | California | United States | 2003 Furnace Creek 508 | 38 | Four Mixed | FIN | 29:38:34 | Course Record! |
| Saluki | Lorraine | Gersitz | F | Fullerton | California | United States | 2003 Furnace Creek 508 | 49 | Four Mixed | FIN | 29:38:34 | Course Record! |
| Saluki | Jeff | Stevenson | M | Solvang | California | United States | 2003 Furnace Creek 508 | 57 | Four Mixed | FIN | 29:38:34 | Course Record! |
| Saluki | Jeff | Stevenson | M | Solvang | California | United States | 2004 Furnace Creek 508 | 58 | Solo | FIN | 39:45:10 | |
| Saluki | Jeff | Stevenson | M | Solvang | California | United States | 2005 Furnace Creek 508 | 59 | Solo | FIN | 35:38:45 | |
| Saluki | Jeff | Stevenson | M | Solvang | California | United States | 2007 Furnace Creek 508 | 61 | Solo | DNF | ||
| Sand Shark | Sandy | Pflug | M | Los Angeles | California | United States | 2005 Furnace Creek 508 | 47 | Solo | DNF | ||
| Sandhill Cranes | Dan | Crain | M | Irvine | California | United States | 2009 Furnace Creek 508 | 64 | Two Mixed | FIN | 39:13:41 | |
| Sandhill Cranes | Isabelle | Drake | F | Laguna Beach | California | United States | 2009 Furnace Creek 508 | 56 | Two Mixed | FIN | 39:13:41 | |
| Sasquatch | Steve | Ilg | M | Santa Fe | New Mexico | United States | 1996 Furnace Creek 508 | 34 | Four Man | FIN | 24:53:01 | |
| Sasquatch | Ron | Jones | M | Bakersfield | California | United States | 1996 Furnace Creek 508 | 36 | Four Man | FIN | 24:53:01 | |
| Sasquatch | Keith | Kostman | M | Paris | France | 1996 Furnace Creek 508 | 33 | Four Man | FIN | 24:53:01 | ||
| Sasquatch | Roy | Wallack | M | California | United States | 1996 Furnace Creek 508 | 40 | Four Man | FIN | 24:53:01 | ||
| Sasquatch | Steve | Ilg | M | Tarzana | California | United States | 2004 Furnace Creek 508 | 43 | Four Man | FIN | 31:45:32 | COURSE RECORD |
| Sasquatch | Ron | Jones | M | Lawrenceville | Georgia | United States | 2004 Furnace Creek 508 | 44 | Four Man | FIN | 31:45:32 | COURSE RECORD |
| Sasquatch | Keith | Kostman | M | Minneapolis | Minnesota | United States | 2004 Furnace Creek 508 | 41 | Four Man | FIN | 31:45:32 | COURSE RECORD |
| Sasquatch | Roy | Wallack | M | Irvine | California | United States | 2004 Furnace Creek 508 | N/A | Four Man | FIN | 31:45:32 | COURSE RECORD |
| Sawfish | Scott | Scheff | M | Tucson | Arizona | United States | 1995 Furnace Creek 508 | 21 | Solo | DNF | ||
| Sawfish | Scott | Scheff | M | Tucson | Arizona | United States | 1997 Furnace Creek 508 | 23 | Solo | DNF | knee | |
| Scarab | Peter | Burnett | M | Grass Valley | California | United States | 2009 Furnace Creek 508 | 47 | Two Tandem | FIN | 31:25:12 | |
| Scarab | Robert | Choi | M | Gilroy | California | United States | 2009 Furnace Creek 508 | 48 | Two Tandem | FIN | 31:25:12 | |
| Scarab | Craig | Robertson | M | Los Altos | California | United States | 2009 Furnace Creek 508 | 52 | Two Tandem | FIN | 31:25:12 | |
| Scarab | Steve | Smead | M | Lincoln | California | United States | 2009 Furnace Creek 508 | 45 | Two Tandem | FIN | 31:25:12 | |
| Scarlet Macaw | Susan | Forsman | F | Morgan Hill | California | United States | 2010 Furnace Creek 508 | 40 | Solo Fixed Gear | FIN | ||
| Scarlett Fairy Cup | Monica | Scholz | F | Jerseyville | Ontario | Canada | 2004 Furnace Creek 508 | 37 | Solo | FIN | 44:29:15 | DEATH VALLEY CUP WINNER |
| Scarlett Fairy Cup | Monica | Scholz | F | Jerseyville | Ontario | Canada | 2006 Furnace Creek 508 | 39 | Solo | FIN | 40:00:02 | Death Valley Cup |
| Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 1998 Furnace Creek 508 | 44 | Solo | FIN | 42:48:25 | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 1999 Furnace Creek 508 | 45 | Solo | FIN | 36:14:25 | RQ |
| Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 2000 Furnace Creek 508 | 46 | Solo | FIN | 37:10:40 | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 2001 Furnace Creek 508 | 47 | Solo | FIN | 41:28:00 | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 2002 Furnace Creek 508 | 48 | Solo | DNF | ||
| Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 2003 Furnace Creek 508 | 49 | Solo | FIN | 43:26:31 | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 2004 Furnace Creek 508 | 50 | Solo | DNF | too windy | |
| Scorpion | Steve | Winfrey | M | Camarillo | California | United States | 2006 Furnace Creek 508 | 52 | Solo | FIN | 44:58:14 | |
| Scoters | Pierre | Neu | M | Winters | California | United States | 1999 Furnace Creek 508 | 55 | Four Man | FIN | 27:13:35 | |
| Scoters | Craig | Robertson | M | Los Altos | California | United States | 1999 Furnace Creek 508 | 42 | Four Man | FIN | 27:13:35 | |
| Scoters | Dan | Shadoan | M | Davis | California | United States | 1999 Furnace Creek 508 | 52 | Four Man | FIN | 27:13:35 | |
| Scoters | Wayne | Woodside | M | Sacramento | California | United States | 1999 Furnace Creek 508 | 53 | Four Man | FIN | 27:13:35 | |
| Screamin Eagles | Herb | Benham | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 45 | Four Man | FIN | 24:51:24 | |
| Screamin Eagles | Courtland | Keith | M | Campbell | California | United States | 1999 Furnace Creek 508 | 31 | Four Man | FIN | 24:51:24 | |
| Screamin Eagles | Curt F. | Kunzmann | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 40 | Four Man | FIN | 24:51:24 | |
| Screamin Eagles | James A. | Poteete | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 39 | Four Man | FIN | 24:51:24 | |
| Screamin Eagles | Ron | Jones | M | Bakersfield | California | United States | 2000 Furnace Creek 508 | 39 | Four Man | FIN | 25:03:45 | |
| Screamin Eagles | Courtland | Keith | M | San Jose | California | United States | 2000 Furnace Creek 508 | 32 | Four Man | FIN | 25:03:45 | |
| Screamin Eagles | Curt F. | Kunzmann | M | Bakersfield | California | United States | 2000 Furnace Creek 508 | 41 | Four Man | FIN | 25:03:45 | |
| Screamin Eagles | James A. | Poteete | M | Bakersfield | California | United States | 2000 Furnace Creek 508 | 40 | Four Man | FIN | 25:03:45 | |
| Sea Dragon | Sara Kay | Carrell | F | Hays | Kansas | United States | 2007 Furnace Creek 508 | 30 | Two Recumbent Mixed | FIN | 36:51:22 | |
| Sea Dragon | Dana | Lieberman | M | North Hollywood | California | United States | 2007 Furnace Creek 508 | 39 | Two Recumbent Mixed | FIN | 36:51:22 | |
| Sea Dragon | Sara Kay | Carrell | F | Hays | Kansas | United States | 2008 Furnace Creek 508 | 31 | Two Recumbent Mixed | FIN | 35:58:54 | |
| Sea Dragon | Dana | Lieberman | M | North Hollywood | California | United States | 2008 Furnace Creek 508 | 40 | Two Recumbent Mixed | FIN | 35:58:54 | |
| Sea Horse | James | Severance | M | Rockford | Michigan | United States | 2000 Furnace Creek 508 | 54 | Solo | FIN | 45:06:39 | |
| Sea Horse | James | Severance | M | Driggs | Idaho | United States | 2001 Furnace Creek 508 | 55 | Solo | FIN | 45:14:00 | |
| Sea Horse | James | Severance | M | Driggs | Idaho | United States | 2006 Furnace Creek 508 | 60 | Solo | DNF | ||
| Sea Lion | Kaname | Sakurai | M | Japan | 1994 Furnace Creek 508 | 30 | Solo | FIN | 32:29:20 | |||
| Sea Lion | Kaname | Sakurai | M | Nagoya | Japan | 2000 Furnace Creek 508 | 36 | Solo | FIN | 32:31:56 | ||
| Sea Otter | Thomas | McHenry | M | Pasadena | California | United States | 2004 Furnace Creek 508 | 49 | Solo | DNF | ||
| Sea Turtle | Thomas J. | McCoin | M | El Dorado Hills | California | United States | 2003 Furnace Creek 508 | 37 | Solo | FIN | 45:18:00 | |
| Sea Waffle | Kevin | McNulty | M | Ramona | California | United States | 2008 Furnace Creek 508 | 44 | Solo | DNF | ||
| Seagull | Stefan | Schlett | M | Germany | 1996 Furnace Creek 508 | N/A | Solo | FIN | 39:56:22 | |||
| Seal | Sam | Beal | M | Mountain View | California | United States | 1999 Furnace Creek 508 | 47 | Solo | FIN | 35:42:15 | RQ |
| Seal | Sam | Beal | M | Mountian View | California | United States | 2000 Furnace Creek 508 | 48 | Solo | FIN | 35:39:09 | |
| Seal | Sam | Beal | M | Mountain View | California | United States | 2002 Furnace Creek 508 | 50 | Solo | FIN | 35:14:40 | Pre. Qual. |
| Seal | Sam | Beal | M | Mountain View | California | United States | 2004 Furnace Creek 508 | 52 | Solo Fixed Gear | FIN | 39:10:38 | |
| Seal | Sam | Beal | M | Mountain View | California | United States | 2006 Furnace Creek 508 | 54 | Solo Fixed Gear | FIN | 36:37:27 | |
| Sergeant Major | Erik | Skramstad | M | Henderson | Nevada | United States | 2007 Furnace Creek 508 | 29 | Two Man | FIN | 31:13:02 | |
| Sergeant Major | Jon | Skramstad | M | Salt Lake City | Utah | United States | 2007 Furnace Creek 508 | 32 | Two Man | FIN | 31:13:02 | |
| Serval | Tamara | Okonogi | F | Mountain View | California | United States | 2004 Furnace Creek 508 | 38 | Four Woman | FIN | 39:27:05 | COURSE RECORD |
| Serval | Karen | Rhodes | F | San Francisco | California | United States | 2004 Furnace Creek 508 | 50 | Four Woman | FIN | 39:27:05 | COURSE RECORD |
| Serval | Jennifer | Swenson | F | San Ramon | California | United States | 2004 Furnace Creek 508 | 34 | Four Woman | FIN | 39:27:05 | COURSE RECORD |
| Serval | Lori | Wensley | F | San Francisco | California | United States | 2004 Furnace Creek 508 | 46 | Four Woman | FIN | 39:27:05 | COURSE RECORD |
| Shark | Dwight | Bishop | M | Butte | Montana | United States | October 1989 RAAM Open West | 34 | Solo | DNF | ||
| Shark | Dwight | Bishop | M | Butte | Montana | United States | 1997 Furnace Creek 508 | 42 | Solo | FIN | 33:20:46 | |
| Sheep | Brian | Stark | M | Paso Robles | California | United States | October 1991 Furnace Creek 508 | 43 | Solo | FIN | 34:48:03 | |
| Sheep | Brian | Stark | M | Paso Robles | California | United States | 1992 Furnace Creek 508 | 44 | Solo | FIN | 40:17:30 | 2nd solo finish |
| Sheep | Brian | Stark | M | Paso Robles | California | United States | 1993 Furnace Creek 508 | 45 | Solo | FIN | 41:24:52 | 3rd Solo Finish |
| Shongololo | Michele | Santilhano | F | Menlo Park | California | United States | 2008 Furnace Creek 508 | 38 | Solo | FIN | 38:01:42 | |
| Shrike | James | Kern | M | Sunnyvale | California | United States | 2003 Furnace Creek 508 | 45 | Solo Recumbent | FIN | 33:43:15 | Course Record! |
| Shrike | James | Kern | M | Sunnyvale | California | United States | 2004 Furnace Creek 508 | 46 | Solo Recumbent | DNF | ||
| Siafu | Steve | Sundstrom | M | Belmont | California | United States | 2008 Furnace Creek 508 | 38 | Two Mixed | FIN | 40:00:08 | |
| Siafu | Christina | Waitzman | F | Belmont | California | United States | 2008 Furnace Creek 508 | 44 | Two Mixed | FIN | 40:00:08 | |
| Siberian Husky | Michael | Arenberg | M | Plymouth | Wisconsin | United States | 2008 Furnace Creek 508 | 49 | Solo | FIN | 35:06:12 | |
| Siberian Husky | Michael | Arenberg | M | O'Fallon | Illinois | United States | 2010 Furnace Creek 508 | 51 | Solo | FIN | ||
| Siberian Weasel | Christopher | Pumroy | M | Kennewick | Washington | United States | 2010 Furnace Creek 508 | 25 | Two Man | FIN | ||
| Siberian Weasel | Dan | Spiewak | M | Marysville | Washington | United States | 2010 Furnace Creek 508 | 24 | Two Man | FIN | ||
| Sidewinder | Scott | Shipman | M | Pollock Pines | California | United States | 2000 Furnace Creek 508 | 37 | Solo | DNF | ||
| Sidewinder | Scott | Shipman | M | Pollock Pines | California | United States | 2001 Furnace Creek 508 | 38 | Solo | FIN | 41:57:00 | |
| Silly Goose | Greg | Matherly | M | Encinitas | California | United States | 2006 Furnace Creek 508 | 43 | Solo | FIN | 37:30:18 | |
| Silly Goose | Greg | Matherly | M | Encinitas | California | United States | 2007 Furnace Creek 508 | 44 | Solo | FIN | 34:36:42 | |
| Silver Foxes | John T. | Clare | M | Long Beach | California | United States | 2003 Furnace Creek 508 | 62 | Two Man | FIN | 29:53:01 | Course Record! |
| Silver Foxes | Dan | Crain | M | Irvine | California | United States | 2003 Furnace Creek 508 | 58 | Two Man | FIN | 29:53:01 | Course Record! |
| Silver Foxes | John T. | Clare | M | Long Beach | California | United States | 2006 Furnace Creek 508 | 65 | Two Man | FIN | 33:08:16 | |
| Silver Foxes | Dan | Crain | M | Irvine | California | United States | 2006 Furnace Creek 508 | 61 | Two Man | FIN | 33:08:16 | |
| Simorgh | Lorne | Sachs | M | Woodland | California | United States | 2010 Furnace Creek 508 | 45 | Two Man | FIN | ||
| Simorgh | Paul | Vlasveld | M | San Jose | California | United States | 2010 Furnace Creek 508 | 51 | Two Man | FIN | ||
| Sitting Duck | Eli | Kaczynski | M | Kennewick | Washington | United States | 2000 Furnace Creek 508 | 56 | Solo | DNF | ||
| Sitting Duck | Eli | Kaczynski | M | Kennewick | Washington | United States | 2002 Furnace Creek 508 | 58 | Solo | NOF | 45:22:30 | Note that this will not be allowed in the future and this effort does not result in a "course record" of any kind. |
| Skeeter | Rich | Kondzielaski | M | United States | 1998 Furnace Creek 508 | 44 | Solo | DNF | ||||
| Skink | Victor | Cooper | M | Torrance | California | United States | 2006 Furnace Creek 508 | 49 | Two Mixed | FIN | 35:07:13 | |
| Skink | Saralie | Liner | F | Santa Monica | California | United States | 2006 Furnace Creek 508 | 53 | Two Mixed | FIN | 35:07:13 | |
| Skink | Victor | Cooper | M | Torrance | California | United States | 2009 Furnace Creek 508 | 53 | Solo | FIN | 42:32:36 | |
| Skua | Jon | Skramstad | M | Salt Lake City | Utah | United States | 2009 Furnace Creek 508 | 35 | Solo | DNF | ||
| Skua | Jon | Skramstad | M | Salt Lake City | Utah | United States | 2010 Furnace Creek 508 | 36 | Solo | FIN | ||
| Skunk | Lanie | Smith | F | Texas | United States | 1994 Furnace Creek 508 | 49 | Tandem Mixed | DNF | |||
| Skunk | Rose | Smith | M | Texas | United States | 1994 Furnace Creek 508 | 49 | Tandem Mixed | DNF | |||
| Sloth | Erik | Skramstad | M | Henderson | Nevada | United States | 2004 Furnace Creek 508 | 26 | Solo | DNF | knees; too windy | |
| Sloth | Erik | Skramstad | M | Henderson | Nevada | United States | 2006 Furnace Creek 508 | 28 | Solo | FIN | 39:00:06 | |
| Slug | Peter | Dowhan | M | Acton | California | United States | 2001 Furnace Creek 508 | 49 | Four Man | FIN | 29:49:00 | |
| Slug | Jairo | Marin | M | Cowan Heights | California | United States | 2001 Furnace Creek 508 | 47 | Four Man | FIN | 29:49:00 | |
| Slug | Tom | Okane | M | Valencia | California | United States | 2001 Furnace Creek 508 | 52 | Four Man | FIN | 29:49:00 | |
| Slug | Chris | Vigil | M | California | United States | 2001 Furnace Creek 508 | 38 | Four Man | FIN | 29:49:00 | ||
| Smiledon | Adam | Kingsford | M | Lone Pine, | California | United States | 2005 Furnace Creek 508 | 34 | Solo | FIN | 46:39:25 | |
| Smokey Bear | Pete | Masiel | M | El Cajon | California | United States | 2007 Furnace Creek 508 | 48 | Solo | DNF | ||
| Smoking Loon | Roberto I. | Crespo | M | Pasadena | California | United States | 2007 Furnace Creek 508 | 34 | Four Man | FIN | 32:12:16 | |
| Smoking Loon | Andrew | Popinski | M | Alhambra | California | United States | 2007 Furnace Creek 508 | 45 | Four Man | FIN | 32:12:16 | |
| Smoking Loon | Bruce | Rauhe | M | Monrovia | California | United States | 2007 Furnace Creek 508 | 44 | Four Man | FIN | 32:12:16 | |
| Smoking Loon | Haroon | Said | M | Pasadena | California | United States | 2007 Furnace Creek 508 | 46 | Four Man | FIN | 32:12:16 | |
| Smoking Loon | Peter | Casciani | M | Pasadena | California | United States | 2008 Furnace Creek 508 | 37 | Four Man | FIN | 31:07:20 | |
| Smoking Loon | Roberto I. | Crespo | M | Pasadena | California | United States | 2008 Furnace Creek 508 | 35 | Four Man | FIN | 31:07:20 | |
| Smoking Loon | Bruce | Rauhe | M | Monrovia | California | United States | 2008 Furnace Creek 508 | 45 | Four Man | FIN | 31:07:20 | |
| Smoking Loon | Haroon | Said | M | Pasadena | California | United States | 2008 Furnace Creek 508 | 47 | Four Man | FIN | 31:07:20 | |
| Snail Darter | Anne | Schneider | F | Davis | California | United States | 1998 Furnace Creek 508 | 50 | Solo | FIN | 42:31:45 | Course Record, 2: one solo, one team |
| Snail Darter | Anne | Schneider | F | Davis | California | United States | 2001 Furnace Creek 508 | 53 | Solo | FIN | 45:18:00 | |
| Snail Darters | Marcia | Gibbs | F | Winters | California | United States | 1996 Furnace Creek 508 | 45 | Four Woman | FIN | 30:51:38 | |
| Snail Darters | Susan | Gishi | F | Davis | California | United States | 1996 Furnace Creek 508 | 44 | Four Woman | FIN | 30:51:38 | |
| Snail Darters | Anne | Schneider | F | Davis | California | United States | 1996 Furnace Creek 508 | 48 | Four Woman | FIN | 30:51:38 | |
| Snail Darters | Lois | Springsteen | F | Santa Cruz | California | United States | 1996 Furnace Creek 508 | 44 | Four Woman | FIN | 30:51:38 | |
| Snail Darters | Marcia | Gibbs | F | Winters | California | United States | 2002 Furnace Creek 508 | 51 | Four Man | FIN | 31:21:53 | |
| Snail Darters | Susan | Gishi | F | Davis | California | United States | 2002 Furnace Creek 508 | 50 | Four Man | FIN | 31:21:53 | |
| Snail Darters | Anne | Schneider | F | Davis | California | United States | 2002 Furnace Creek 508 | 54 | Four Man | FIN | 31:21:53 | |
| Snail Darters | Lois | Springsteen | F | Santa Cruz | California | United States | 2002 Furnace Creek 508 | 50 | Four Man | FIN | 31:21:53 | |
| Snake | Scott | Smith | M | St. George | Utah | United States | 1996 Furnace Creek 508 | 34 | Solo | FIN | 38:04:05 | |
| Snake | Scott | Smith | M | St. George | Utah | United States | 1997 Furnace Creek 508 | 35 | Solo | DNF | ||
| Snakehead | Tony | Cauchi | M | Springfield | Missouri | United States | 2010 Furnace Creek 508 | 38 | Solo | FIN | ||
| Snapping Turtles | E.J. | Harpham | M | Long Beach | California | United States | 1993 Furnace Creek 508 | 37 | Tandem Mixed | DNF | ||
| Snapping Turtles | Rick | Stark | M | California | United States | 1993 Furnace Creek 508 | 36 | Tandem Mixed | DNF | |||
| Snoopy | Jon | Shellenbarger | M | Anaheim | California | United States | 2009 Furnace Creek 508 | 37 | Solo | FIN | 42:16:25 | |
| Snow Goose | Keith | Frick | M | Casper | Wyoming | United States | 2007 Furnace Creek 508 | 50 | Solo | FIN | 46:41:14 | |
| Snow Kitty | Patty Jo | Struve | F | Modesto | California | United States | 2001 Furnace Creek 508 | 45 | Solo | FIN | 41:59:00 | |
| Snow Leopard | Mike | Trevino | M | San Diego | California | United States | 2006 Furnace Creek 508 | 31 | Solo | FIN | 29:41:11 | |
| Snow Owl | Stig | Lundgaard | M | Skovlunde | Denmark | 2003 Furnace Creek 508 | 34 | Solo | FIN | 38:30:58 | ||
| Snowdarter | Anne | Schneider | F | Davis | California | United States | 2008 Furnace Creek 508 | 61 | Two Woman | FIN | 34:53:07 | |
| Snowdarter | Patty Jo | Struve | F | Arnold | California | United States | 2008 Furnace Creek 508 | 53 | Two Woman | FIN | 34:53:07 | |
| Sock Monkey | Darwin | Holt | M | Edmonton | Alberta | Canada | 2010 Furnace Creek 508 | 48 | Solo | FIN | ||
| Sockeye Salmon | John | Salmon | M | El Dorado Hill | California | United States | 2009 Furnace Creek 508 | 41 | Solo | DNF | ||
| Sockeye Salmon | John | Salmon | M | El Dorado Hill | California | United States | 2010 Furnace Creek 508 | 42 | Solo | FIN | ||
| Sooty Shearwater | Jennifer | Scharf | F | Henderson | Nevada | United States | 2009 Furnace Creek 508 | 26 | Solo | DNF | ||
| Sooty Shearwater | Jennifer | Scharf | F | Henderson | Nevada | United States | 2010 Furnace Creek 508 | 27 | Solo | FIN | ||
| Southern Vole | Joel | Sothern | M | Laguna Niguel | California | United States | 2007 Furnace Creek 508 | 49 | Solo | FIN | 31:21:18 | |
| Southern Vole | Joel | Sothern | M | Laguna Niguel | California | United States | 2008 Furnace Creek 508 | 51 | Solo | FIN | 29:58:16 | New men's 50+ course record! |
| Sparrow | Ron | Shepston | M | Silverado | California | United States | October 1990 RAAM Open West | 43 | Solo | DNF | ||
| Sparrow | Ron | Shepston | M | Fountain Valley | California | United States | 1992 Furnace Creek 508 | 45 | Solo | FIN | 38:49:27 | |
| Sparrow | Ron | Shepston | M | Silverado | California | United States | 1994 Furnace Creek 508 | 47 | Solo | FIN | 37:47:47 | 2nd solo finish |
| Sparrow | Ron | Shepston | M | Silverado | California | United States | 1995 Furnace Creek 508 | 48 | Solo | DNF | ||
| Sparrow | Ron | Shepston | M | Silverado | California | United States | 1996 Furnace Creek 508 | 49 | Solo | DNF | ||
| Sparrow | Ron | Shepston | M | Silverado | California | United States | 1997 Furnace Creek 508 | 50 | Solo | DNF | dehydration | |
| Sparrow | Mike | Shepston | M | Cave Creek | Arizona | United States | 2010 Furnace Creek 508 | 53 | Two Man | FIN | ||
| Sparrow | Ron | Shepston | M | Silverado | California | United States | 2010 Furnace Creek 508 | 63 | Two Man | FIN | ||
| Sparrow Hawk | Paul V. | Biron | M | Sherman Oaks | California | United States | 2001 Furnace Creek 508 | 39 | Solo | FIN | 35:04:00 | RQ |
| Sphinx | Lissette | Baker | F | San Dimas | United States | 2007 Furnace Creek 508 | 35 | Four Mixed | FIN | 30:27:15 | ||
| Sphinx | Christine Renee | Ellis | F | Altadena | United States | 2007 Furnace Creek 508 | 25 | Four Mixed | FIN | 30:27:15 | ||
| Sphinx | Eric | Foster | M | San Diego | United States | 2007 Furnace Creek 508 | 41 | Four Mixed | FIN | 30:27:15 | ||
| Sphinx | Allen G. | Yee | M | South Pasadena | United States | 2007 Furnace Creek 508 | 42 | Four Mixed | FIN | 30:27:15 | ||
| Spider | Del | Scharffenberg | M | Portland | Oregon | United States | 1996 Furnace Creek 508 | 51 | Solo | FIN | 34:06:01 | |
| Spider | Del | Scharffenberg | M | Portland | Oregon | United States | 1997 Furnace Creek 508 | 52 | Solo | FIN | 42:15:26 | Death Valley Cup, 2nd solo finish |
| Spider | Del | Scharffenberg | M | Milwaukie | Oregon | United States | 2006 Furnace Creek 508 | 61 | Solo | FIN | 40:20:14 | RAAM Qualified |
| Spider | Del | Scharffenberg | M | Milwaukie | Oregon | United States | 2007 Furnace Creek 508 | 62 | Solo | FIN | 40:17:12 | |
| Spider | Del | Scharffenberg | M | Milwaukie | Oregon | United States | 2008 Furnace Creek 508 | 63 | Solo | FIN | 37:10:30 | |
| Spider Monkey | Nelson | Snyder | M | Portland | Oregon | United States | 2004 Furnace Creek 508 | 33 | Solo | FIN | 42:15:10 | |
| Spider Monkey | Nelson | Snyder | M | Portland | Oregon | United States | 2008 Furnace Creek 508 | 37 | Solo | DNF | ||
| Spider Pig | Dave | Nerrow | M | Acton | Maine | United States | 2008 Furnace Creek 508 | 41 | Solo | FIN | 30:22:29 | |
| Spike the Wonder Dog | Dawn | Chuck | F | Los Altos | California | United States | 2009 Furnace Creek 508 | 48 | Four Man | FIN | 40:57:33 | |
| Spike the Wonder Dog | Bob | Corman | M | Mountain View | California | United States | 2009 Furnace Creek 508 | 53 | Four Man | FIN | 40:57:33 | |
| Spike the Wonder Dog | Neal | Herman | M | Mountain View | California | United States | 2009 Furnace Creek 508 | 53 | Four Man | FIN | 40:57:33 | |
| Spike the Wonder Dog | Jay | Kilby | M | Los Gatos | California | United States | 2009 Furnace Creek 508 | 46 | Four Man | FIN | 40:57:33 | |
| Spike the Wonder Dog | Bob | Corman | M | Mountain View | California | United States | 2010 Furnace Creek 508 | 54 | Two Man | FIN | ||
| Spike the Wonder Dog | Jay | Kilby | M | Los Gatos | California | United States | 2010 Furnace Creek 508 | 47 | Two Man | FIN | ||
| Spirit Bear | Bobbi | Fisher | F | Burbank | California | United States | 2007 Furnace Creek 508 | 58 | Two Mixed | FIN | 37:07:03 | |
| Spirit Bear | David | Nakai | M | Fallbrook | California | United States | 2007 Furnace Creek 508 | 51 | Two Mixed | FIN | 37:07:03 | |
| Sponge | Bob | Paxson | M | Elk Grove | California | United States | 2003 Furnace Creek 508 | 44 | Solo | DNF | ||
| Sponge | Bob | Paxson | M | Elk Grove | California | United States | 2005 Furnace Creek 508 | 46 | Solo | FIN | 41:03:08 | |
| Sponge | Bob | Paxson | M | Sacramento | California | United States | 2007 Furnace Creek 508 | 48 | Solo | DNF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | United States | 1997 Furnace Creek 508 | 45 | Solo | DNF | knee problems | |
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | United States | 1998 Furnace Creek 508 | 46 | Solo | DNF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | United States | 1999 Furnace Creek 508 | 47 | Solo | DNF | TS2 - stomach | |
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | United States | 2002 Furnace Creek 508 | 50 | Solo | DNF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | United States | 2004 Furnace Creek 508 | 52 | Solo | DNF | ||
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | United States | 2005 Furnace Creek 508 | 53 | Solo | FIN | 43:55:40 | |
| Springbuck | Charles | Schroyer | M | Morgan Hill | California | United States | 2006 Furnace Creek 508 | 54 | Solo | DNF | ||
| Squid | Sean | Irwin | M | Paso Robles | California | United States | 2001 Furnace Creek 508 | 32 | Solo | DNF | right knee | |
| Squirel | Bill | Birrell | M | Los Angles | California | United States | 2000 Furnace Creek 508 | 39 | Solo | DNF | ||
| Squirtel | Doug | Patterson | M | Orange | California | United States | 2008 Furnace Creek 508 | 48 | Two Man | FIN | 31:43:06 | |
| Squirtel | Steven | Patterson | M | Orange | California | United States | 2008 Furnace Creek 508 | 18 | Two Man | FIN | 31:43:06 | |
| Steelhead | Robert | Satterthwaite | M | California | United States | 1992 Furnace Creek 508 | 21 | Solo | DNF | |||
| Steelhead | Robert | Satterthwaite | M | California | United States | 1993 Furnace Creek 508 | 22 | Solo | DNF | |||
| Stellar Jay | Barb | Sweeney | F | Surrey | British Columbia | Canada | 2010 Furnace Creek 508 | 52 | Solo | FIN | ||
| Stingray | Robert | Stone | M | Oak View | California | United States | 1994 Furnace Creek 508 | N/A | Solo | DNF | ||
| Stone Cat | Richard | LeBoeuf | M | Danvers | Maine | United States | 2002 Furnace Creek 508 | 49 | Solo | FIN | 45:56:33 | |
| Stork | Brian | Sidwell | M | Santa Cruz | California | United States | 1997 Furnace Creek 508 | 29 | Solo | DNF | could not deliver | |
| Sun Bear | Rebecca | Smith | F | Portland | Oregon | United States | 2002 Furnace Creek 508 | 53 | Solo | FIN | 39:28:36 | Course Record/Pre. Qual. |
| Sun Bear | Rebecca P. | Smith | F | Washougal | Washington | United States | 2004 Furnace Creek 508 | 55 | Solo | DNF | nausea and vomiting | |
| Sun Spiders | Max | Hogan | M | Camarillo | California | United States | 2008 Furnace Creek 508 | 47 | Two Man | FIN | 28:46:26 | |
| Sun Spiders | Brian | Smallwood | M | Camarillo | California | United States | 2008 Furnace Creek 508 | 53 | Two Man | FIN | 28:46:26 | |
| Sunfish | John T. | Clare | M | Long Beach | California | United States | 2008 Furnace Creek 508 | 67 | Two Man | FIN | 32:42:40 | |
| Sunfish | Jon | Shellenbarger | M | Anaheim | California | United States | 2008 Furnace Creek 508 | 36 | Two Man | FIN | 32:42:40 | |
| Super Tabby | Lyresa | Pleskovitch | F | East Palo Alto | California | United States | 2009 Furnace Creek 508 | 43 | Two Woman | DNF | ||
| Super Tabby | Christina | Waitzman | F | Belmont | California | United States | 2009 Furnace Creek 508 | 45 | Two Woman | DNF | ||
| Super Tabby | Michael | Svihura | M | Belmont | California | United States | 2010 Furnace Creek 508 | 46 | Two Mixed | FIN | ||
| Super Tabby | Christina | Waitzman | F | Belmont | California | United States | 2010 Furnace Creek 508 | 46 | Two Mixed | FIN | ||
| Super Vegan Cow | Adrian | Stingaciu | M | Orange | California | United States | 2008 Furnace Creek 508 | 35 | Solo | FIN | 46:30:03 | |
| Swallow | Vikki Leah | Appel | F | Pasadena | California | United States | 2006 Furnace Creek 508 | 36 | Four Woman | FIN | 33:25:02 | |
| Swallow | Lissette | Baker | F | San Dimas | California | United States | 2006 Furnace Creek 508 | 34 | Four Woman | FIN | 33:25:02 | |
| Swallow | Christine Renee | Ellis | F | Altadena | California | United States | 2006 Furnace Creek 508 | 24 | Four Woman | FIN | 33:25:02 | |
| Swallow | Lisa | Hughes | F | Glendora | California | United States | 2006 Furnace Creek 508 | 40 | Four Woman | FIN | 33:25:02 | |
| Swallow | Lissette | Baker | F | San Dimas | California | United States | 2008 Furnace Creek 508 | 36 | Two Woman | FIN | 37:27:58 | |
| Swallow | Christine Renee | Ellis | F | Altadena | California | United States | 2008 Furnace Creek 508 | 26 | Two Woman | FIN | 37:27:58 | |
| Swan | Perry | Smith | M | California | United States | 1996 Furnace Creek 508 | 46 | Solo | DNF | |||
| Swan | Perry | Smith | M | California | United States | 1997 Furnace Creek 508 | 47 | Solo | DNF | beamed up | ||
| Swan | Perry | Smith | M | California | United States | 1998 Furnace Creek 508 | 48 | Solo | FIN | 46:14:19 | ||
| Swan | Perry | Smith | M | Costa Mesa | California | United States | 1999 Furnace Creek 508 | 49 | Solo | DNF | TS3 - heat exhaustion | |
| Swan | Perry | Smith | M | Costa Mesa | California | United States | 2000 Furnace Creek 508 | 50 | Solo | DNF | ||
| Swan | Perry | Smith | M | Costa Mesa | California | United States | 2001 Furnace Creek 508 | 51 | Solo | FIN | 41:47:00 | |
| Swift | Jim | Karanas | M | Lafayette | California | United States | 2006 Furnace Creek 508 | 52 | Solo | FIN | 34:49:17 | RAAM Qualified, 1-hr penalty |
| T-Rex | Roehl | Caragao | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 36 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR |
| T-Rex | Scott | Garrison | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR |
| T-Rex | Deby | Kellogg | F | Bakersfield | California | United States | 1999 Furnace Creek 508 | 39 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR |
| T-Rex | Mike | Moseley | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR |
| T-Rex | Vickie | Rigby | F | Bakersfield | California | United States | 1999 Furnace Creek 508 | 48 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR |
| T-Rex | Bob | Smith | M | Bakersfield | California | United States | 1999 Furnace Creek 508 | 47 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR |
| T-Rex | Pam | Traynor | F | Bakersfield | California | United States | 1999 Furnace Creek 508 | 34 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR |
| T-Rex | Kris | Woolsey | F | Bakersfield | California | United States | 1999 Furnace Creek 508 | 33 | Four Tandem Mixed | FIN | 23:54:17 | MTT CR |
| Tabasco Turtle | Curtis | Moran | M | Lancaster | California | United States | 2005 Furnace Creek 508 | 52 | Solo | DNF | ||
| Tabasco Turtle | Curtis | Moran | M | Lancaster | California | United States | 2007 Furnace Creek 508 | 54 | Solo | DNF | ||
| Tadpole | Frankie | Tedesco, Jr. | M | Tucson | Arizona | United States | 2002 Furnace Creek 508 | 32 | Solo | DNF | ||
| Tanzilla | Mike | Moseley | M | Bakersfield | California | United States | 2000 Furnace Creek 508 | 46 | Tandem Mixed | FIN | 35:41:00 | |
| Tanzilla | Cindi | Staiger | F | Los Gatos | California | United States | 2000 Furnace Creek 508 | 48 | Tandem Mixed | FIN | 35:41:00 | |
| Tapir | Christopher | O'Keefe | M | Mountain View | California | United States | 2006 Furnace Creek 508 | 39 | Solo | FIN | 46:36:09 | |
| Tarantula | Cara | Dunne | F | United States | 1996 Furnace Creek 508 | 26 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | ||
| Tarantula | Juli | Haft | F | United States | 1996 Furnace Creek 508 | 39 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | ||
| Tarantula | Susan | Hall | F | United States | 1996 Furnace Creek 508 | 46 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | ||
| Tarantula | Joyce | Knochel | F | United States | 1996 Furnace Creek 508 | 45 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | ||
| Tarantula | Marlee | Sondgeroth | F | Arizona | United States | 1996 Furnace Creek 508 | 41 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | |
| Tarantula | Tiffany | Tretschok | F | United States | 1996 Furnace Creek 508 | 30 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | ||
| Tarantula | Kathy | Urschel | F | United States | 1996 Furnace Creek 508 | 32 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | ||
| Tarantula | Ali | Waechi | F | United States | 1996 Furnace Creek 508 | 29 | Four Tandem Women | FIN | 28:00:05 | Course Record: Open Format | ||
| Tardigrade | Steven | Pearl | M | Ridgecrest | California | United States | 2010 Furnace Creek 508 | 26 | Solo | FIN | ||
| Tarpon | Laurence | Kluck | M | Eureka | California | United States | 2004 Furnace Creek 508 | 56 | Solo | FIN | 46:30:24 | |
| Tarpon | Larry | Kluck | M | Eureka | California | United States | 2005 Furnace Creek 508 | 57 | Solo | FIN | 36:31:20 | |
| Tarpon | Laurence | Kluck | M | Eureka | California | United States | 2006 Furnace Creek 508 | 58 | Solo | FIN | 39:04:55 | |
| Tarpon | Laurence | Kluck | M | Eureka | California | United States | 2008 Furnace Creek 508 | 60 | Solo | FIN | 38:45:45 | |
| Tarpon | Laurence | Kluck | M | Eureka | California | United States | 2009 Furnace Creek 508 | 61 | Solo | FIN | 45:26:22 | |
| Tarpon | Laurence | Kluck | M | Eureka | California | United States | 2010 Furnace Creek 508 | 62 | Solo | FIN | ||
| Tarsier | Ryan | Franz | M | Lancster | California | United States | 2008 Furnace Creek 508 | 31 | Solo | FIN | 31:45:51 | |
| Tasmanian Devil | Richard | Heiss | M | Bakersfield | California | United States | 1995 Furnace Creek 508 | 38 | Tandem Men | FIN | 31:14:05 | |
| Tasmanian Devil | Mike | Moseley | M | Bakersfield | California | United States | 1995 Furnace Creek 508 | 41 | Tandem Men | FIN | 31:14:05 | |
| Tasmanian Devil | Mike | Moseley | M | Bakersfield | California | United States | 2004 Furnace Creek 508 | 50 | Solo | DNF | ||
| Tasmanian Tiger | Ian | Banwell | M | Charlotte | North Carolina | United States | 2007 Furnace Creek 508 | 46 | Solo | DNF | ||
| Tasmanian Wolf | Wolfgang | Lenzen | M | Osnabrueck | Germany | 2006 Furnace Creek 508 | 60 | Solo | DNF | |||
| Tasmanian Wolf | Wolfgang | Lenzen | M | Osnabrueck | Lower Saxony (Niedersachsen) | Germany | 2008 Furnace Creek 508 | 62 | Solo | FIN | 45:21:50 | |
| Teal | Glen | Gorrie | M | Okotoks | Alberta | Canada | 2009 Furnace Creek 508 | 50 | Two Mixed | FIN | 40:02:18 | |
| Teal | Sharisse | Kyle | F | Calgary | Alberta | Canada | 2009 Furnace Creek 508 | 51 | Two Mixed | FIN | 40:02:18 | |
| Terrapin | Brian | Lynch | M | Palos Verdes Estates | California | United States | 2008 Furnace Creek 508 | 42 | Four Man | FIN | 40:24:40 | |
| Terrapin | Jim | Lynch | M | Belvedere | California | United States | 2008 Furnace Creek 508 | 41 | Four Man | FIN | 40:24:40 | |
| Terrapin | Mike | Lynch | M | Sparta | New Jersey | United States | 2008 Furnace Creek 508 | 45 | Four Man | FIN | 40:24:40 | |
| Terrapin | Tim | Riedel | M | Highlands Ranch | Colorado | United States | 2008 Furnace Creek 508 | 42 | Four Man | FIN | 40:24:40 | |
| Texas Tortoise | Gary | Estes | M | Whitewright | Texas | United States | 2010 Furnace Creek 508 | 47 | Solo Tandem | FIN | ||
| Texas Tortoise | Sandra | Estes | F | Whitewright | Texas | United States | 2010 Furnace Creek 508 | 45 | Solo Tandem | FIN | ||
| Thestrel | Jacques | Boutet | M | Anchorage | Alaska | United States | 2008 Furnace Creek 508 | 52 | Solo | FIN | 44:51:48 | |
| Thorny Devils | Adrien | Blanchi | M | Aliso Viejo | California | United States | 2007 Furnace Creek 508 | 28 | Four Man | FIN | 36:35:33 | |
| Thorny Devils | Eric | Cosyn | M | Irvine | California | United States | 2007 Furnace Creek 508 | 43 | Four Man | FIN | 36:35:33 | |
| Thorny Devils | Arnaud | Lenoble | M | Irvine | California | United States | 2007 Furnace Creek 508 | 26 | Four Man | FIN | 36:35:33 | |
| Thorny Devils | Thomas | Villaren | M | Irvine | California | United States | 2007 Furnace Creek 508 | 21 | Four Man | FIN | 36:35:33 | |
| Thrasher | Eric | Troili | M | Everett | Washington | United States | 2007 Furnace Creek 508 | 48 | Solo | FIN | 45:21:31 | |
| Thrasher | Robert | James | M | San Jose | California | United States | 2009 Furnace Creek 508 | 39 | Two Man | FIN | 43:49:45 | |
| Thrasher | Eric | Troili | M | Everett | Washington | United States | 2009 Furnace Creek 508 | 51 | Two Man | FIN | 43:49:45 | |
| Thrush | Ian | Tuttle | M | Belvedere | California | United States | 2004 Furnace Creek 508 | 23 | Solo | FIN | 39:30:55 | |
| Thunder Hawk | Robert | Rich | M | Loveland | Ohio | United States | 2001 Furnace Creek 508 | 50 | Solo | FIN | 48:21:00 | honorable mention |
| Thunder Hawk | Robert | Rich | M | Loveland | Ohio | United States | 2007 Furnace Creek 508 | 56 | Solo | DNF | ||
| Thunderbird | Kit | Rudd | M | Auburn | Washington | United States | 2001 Furnace Creek 508 | 40 | Solo | FIN | 47:37:00 | |
| Tibia | Chuck | Bramwell | M | Irvine | California | United States | 1999 Furnace Creek 508 | 48 | Four Man | FIN | 28:29:21 | |
| Tibia | Tom | Miller | M | Oceanside | California | United States | 1999 Furnace Creek 508 | 48 | Four Man | FIN | 28:29:21 | |
| Tibia | Mark | Newsome | M | Corvallis | Oregon | United States | 1999 Furnace Creek 508 | 38 | Four Man | FIN | 28:29:21 | |
| Tibia | Mark (Panther) | Patten | M | San Jose | California | United States | 1999 Furnace Creek 508 | 39 | Four Man | FIN | 28:29:21 | |
| Tiger Shark | Tim | Jones | M | Fairfield | California | United States | 2004 Furnace Creek 508 | 47 | Solo | DNF | ||
| Tiger Shark | Dwayne | Highsmith | M | Fairfield | California | United States | 2006 Furnace Creek 508 | 48 | Two Man | FIN | 34:35:01 | |
| Tiger Shark | Tim | Jones | M | Fairfield | California | United States | 2006 Furnace Creek 508 | 49 | Two Man | FIN | 34:35:01 | |
| Tigershark | Tim | Jones | M | Fairfield | California | United States | 2009 Furnace Creek 508 | 52 | Solo | DNF | ||
| Tigger | Tracy | Colwell | M | United States | 1998 Furnace Creek 508 | 30 | Solo | FIN | 31:33:34 | |||
| Timber Tiger | David | Holt | M | Laguna Niguel | California | United States | 2007 Furnace Creek 508 | 55 | Two Man | FIN | 30:12:24 | |
| Timber Tiger | George | Thomas | M | Hood River | Oregon | United States | 2007 Furnace Creek 508 | 44 | Two Man | FIN | 30:12:24 | |
| Timber Wolf | George | Thomas | M | United States | 1994 Furnace Creek 508 | 31 | Solo | FIN | 31:53:15 | 2: one solo, one team | ||
| Titanium Triceratops | Kenneth | Philbrick | M | Kezier | Oregon | United States | 2006 Furnace Creek 508 | 28 | Solo | FIN | 32:30:13 | |
| Toad | Harold | Trease | M | West Richland | Washington | United States | 1997 Furnace Creek 508 | 42 | Solo | FIN | 32:46:46 | |
| Toad | Harold | Trease | M | West Richland | Washington | United States | 2003 Furnace Creek 508 | 48 | Solo | FIN | 36:46:55 | |
| Tom Cat | Tom | Zaharis | M | Half Moon Bay | California | United States | 2002 Furnace Creek 508 | 40 | Solo | FIN | 45:25:03 | |
| Tortoise | Marvin | Fields | M | Newhall | California | United States | 2001 Furnace Creek 508 | 62 | Solo Recumbent | DNF | ||
| Tortoise | Marvin | Fields | M | Newhall | California | United States | 2002 Furnace Creek 508 | 63 | Solo | DNF | ||
| Tortoise | Marvin | Fields | M | Newhall | California | United States | 2005 Furnace Creek 508 | 66 | Solo Recumbent | DNF | ||
| Tortuga | James | Gordon | M | San Francisco | California | United States | 2006 Furnace Creek 508 | 45 | Two Man | FIN | 35:37:49 | |
| Tortuga | Willy | Nevin | M | Pacifica | California | United States | 2006 Furnace Creek 508 | 46 | Two Man | FIN | 35:37:49 | |
| Tortuga | James | Gordon | M | San Francisco | California | United States | 2008 Furnace Creek 508 | 47 | Solo | FIN | 40:09:47 | |
| Toucan | Carol | Trevey | F | San Jose | California | United States | 2000 Furnace Creek 508 | 39 | Solo | FIN | 45:10:22 | Winner of Nancy Dankenbring Award |
| Tree Frog | Mark | Trevisiol | M | Albany | Oregon | United States | 2002 Furnace Creek 508 | 38 | Solo | FIN | 35:34:35 | New Qual. |
| Tree Slug | Terry | Zmrhal | M | Washington | United States | 1997 Furnace Creek 508 | 26 | Solo | FIN | 45:13:48 | RAAM Qualifier | |
| Triceratops | Dennis | Barton | M | Oakland | California | United States | 2009 Furnace Creek 508 | 59 | Solo | DNF | ||
| Triceratops | Dennis | Barton | M | Oakland | California | United States | 2010 Furnace Creek 508 | 60 | Solo | FIN | ||
| Triggerfish | Stuart | Trager | M | Villanova | Pennsylvania | United States | 2008 Furnace Creek 508 | 46 | Solo | FIN | 43:58:04 | |
| Trilobite | Tom | Kenny | M | Calgary | Canada | 2003 Furnace Creek 508 | 40 | Solo | FIN | 45:59:55 | ||
| Trogon | Paul | Danhaus | M | Wausau | Wisconsin | United States | 2007 Furnace Creek 508 | 58 | Solo | FIN | 35:59:44 | |
| Trogon | Paul | Danhaus | M | Wausau | Wisconsin | United States | 2008 Furnace Creek 508 | 59 | Solo | FIN | 33:18:12 | |
| Trogon | Paul | Danhaus | M | Wausau | Wisconsin | United States | 2009 Furnace Creek 508 | 60 | Solo | DNF | ||
| Trogon | Paul | Danhaus | M | Wausau | Wisconsin | United States | 2010 Furnace Creek 508 | 61 | Solo | FIN | ||
| Trout | George | Toberman | M | Malibu | California | United States | 1994 Furnace Creek 508 | 52 | Solo | FIN | 45:32:41 | |
| Tui | Paul | Andrewes | M | Palmerston North | New Zealand | 2008 Furnace Creek 508 | 34 | Solo | FIN | 40:43:49 | ||
| Tumble Bug | Deby | Kellogg | F | Bakersfield | California | United States | 2001 Furnace Creek 508 | 41 | Tandem Mixed | DNF | ||
| Tumble Bug | Mike | Moseley | M | Bakersfield | California | United States | 2001 Furnace Creek 508 | 47 | Tandem Mixed | DNF | ||
| Turtle | Scott | Townley | M | Fullerton | California | United States | 1994 Furnace Creek 508 | 32 | Solo | DNF | ||
| Turtle | Scott | Townley | M | Fullerton | California | United States | 1995 Furnace Creek 508 | 33 | Solo | FIN | 44:30:02 | |
| Tweety Bird | Marko | Baloh | M | Ljubljana-Crnuce | Slovenia | 2004 Furnace Creek 508 | 37 | Solo | FIN | 29:26:25 | ||
| Twin Team Pony | Mary Ann | Buxton | F | San Anselmo | California | United States | 1995 Furnace Creek 508 | N/A | Four Woman | FIN | 41:59:48 | Course Record: Open Format |
| Twin Team Pony | Angelika | Castaneda | F | San Diego | California | United States | 1995 Furnace Creek 508 | 52 | Four Woman | FIN | 41:59:48 | Course Record: Open Format |
| Twin Team Pony | Cherie | Gruenfeld | F | Bluejay | California | United States | 1995 Furnace Creek 508 | N/A | Four Woman | FIN | 41:59:48 | Course Record: Open Format |
| Twin Team Pony | Barbara | Warren | F | San Diego | California | United States | 1995 Furnace Creek 508 | 52 | Four Woman | FIN | 41:59:48 | Course Record: Open Format |
| Two Turtle Doves | Linda | Bott | F | Ventura | California | United States | 2010 Furnace Creek 508 | 53 | Two Woman | FIN | ||
| Two Turtle Doves | Justine | Watson | F | Ventura | California | United States | 2010 Furnace Creek 508 | 25 | Two Woman | FIN | ||
| TwoCan | Tim | Skipper | M | Castaic | California | United States | 2003 Furnace Creek 508 | 46 | Two Man | FIN | 32:17:51 | Course Record! |
| TwoCan | John | Williams | M | Wofford Heights | California | United States | 2003 Furnace Creek 508 | 55 | Two Man | FIN | 32:17:51 | Course Record! |
| TwoCan | Lisa | Antonino | F | Belmont | California | United States | 2008 Furnace Creek 508 | 48 | Two Tandem | FIN | 35:06:22 | |
| TwoCan | Bernie | Barge | M | Castaic | California | United States | 2008 Furnace Creek 508 | 47 | Two Tandem | FIN | 35:06:22 | |
| TwoCan | Brenda | Barnell | F | Dallas | Texas | United States | 2008 Furnace Creek 508 | 43 | Two Tandem | FIN | 35:06:22 | |
| TwoCan | Tim | Skipper | M | San Miguel | California | United States | 2008 Furnace Creek 508 | 51 | Two Tandem | FIN | 35:06:22 | |
| TwoCan-JDRF | Bernie | Barge | M | San Miguel | California | United States | 2009 Furnace Creek 508 | 48 | Four Tandem Mixed | FIN | 34:28:19 | |
| TwoCan-JDRF | Brenda | Barnell | F | Dallas | Texas | United States | 2009 Furnace Creek 508 | 45 | Four Tandem Mixed | FIN | 34:28:19 | |
| TwoCan-JDRF | Jerry | Brown | M | Costa Mesa | California | United States | 2009 Furnace Creek 508 | 64 | Four Tandem Mixed | FIN | 34:28:19 | |
| TwoCan-JDRF | Joe | Petersen | M | Bakersfield | California | United States | 2009 Furnace Creek 508 | 51 | Four Tandem Mixed | FIN | 34:28:19 | |
| TwoCan-JDRF | Milton | Rayford | M | Pleasant Hill | California | United States | 2009 Furnace Creek 508 | 58 | Four Tandem Mixed | FIN | 34:28:19 | |
| TwoCan-JDRF | Matt | Skipper | M | Castaic | California | United States | 2009 Furnace Creek 508 | 15 | Four Tandem Mixed | FIN | 34:28:19 | |
| TwoCan-JDRF | Scott | Skipper | M | Castaic | California | United States | 2009 Furnace Creek 508 | 15 | Four Tandem Mixed | FIN | 34:28:19 | |
| TwoCan-JDRF | Tim | Skipper | M | Castaic | California | United States | 2009 Furnace Creek 508 | 52 | Four Tandem Mixed | FIN | 34:28:19 | |
| TwoCan-JDRF | David | Mori | M | Saugus | California | United States | 2010 Furnace Creek 508 | 16 | Four Man | FIN | ||
| TwoCan-JDRF | Matt | Skipper | M | Castaic | California | United States | 2010 Furnace Creek 508 | 16 | Four Man | FIN | ||
| TwoCan-JDRF | Scott | Skipper | M | Castaic | California | United States | 2010 Furnace Creek 508 | 16 | Four Man | FIN | ||
| TwoCan-JDRF | Tim | Skipper | M | Castaic | California | United States | 2010 Furnace Creek 508 | 53 | Four Man | FIN | ||
| Under Dog | James | Pals | M | Mystic | Connecticut | United States | 2007 Furnace Creek 508 | 35 | Solo | DNF | ||
| Unicorn | Marshall | Ulrich | M | Ft. Morgan | Colorado | United States | 1996 Furnace Creek 508 | 46 | Solo | FIN | 38:32:45 | Death Valley Cup |
| Unladen Swallow | Michael | Deitchman | M | San Jose | California | United States | 2009 Furnace Creek 508 | 33 | Solo | DNF | ||
| Unladen Swallow | Michael | Deitchman | M | Sunnyvale | California | United States | 2010 Furnace Creek 508 | 34 | Solo | FIN | ||
| Velociraptor | Maggie | Carmona | F | Walnut Creek | California | United States | 2004 Furnace Creek 508 | 32 | Four Mixed | FIN | 30:27:33 | COURSE RECORD |
| Velociraptor | Aunchalee E. | Loscalzo | F | Walnut Creek | California | United States | 2004 Furnace Creek 508 | 32 | Four Mixed | FIN | 30:27:33 | COURSE RECORD |
| Velociraptor | Miles | Murphy | M | Walnut Creek | California | United States | 2004 Furnace Creek 508 | 30 | Four Mixed | FIN | 30:27:33 | COURSE RECORD |
| Velociraptor | Joseph | Zwack | M | Oakland | California | United States | 2004 Furnace Creek 508 | 44 | Four Mixed | FIN | 30:27:33 | COURSE RECORD |
| Velvet Ant | Don | Williams | M | Livermore | California | United States | 2010 Furnace Creek 508 | 44 | Solo | FIN | ||
| Vicuna | Larry | Von Kuster | M | Bellevue | Ohio | United States | 1995 Furnace Creek 508 | 46 | Solo | FIN | 33:57:41 | |
| Vicuna | Larry | Von Kuster | M | Bellevue | Ohio | United States | 1999 Furnace Creek 508 | 50 | Solo | DNF | TS4 - stomach | |
| Viper | Greg | Hiebert | M | San Jose | California | United States | 2004 Furnace Creek 508 | 44 | Solo | DNF | ||
| Viper | Greg | Hiebert | M | San Jose | California | United States | 2006 Furnace Creek 508 | 46 | Solo | FIN | 41:40:04 | |
| Vulture | Jack | Vincent | M | Lakewood | Colorado | United States | 1999 Furnace Creek 508 | 33 | Solo | FIN | 41:57:37 | RQ |
| Wallaby | Michael | Weldy | M | United States | 1998 Furnace Creek 508 | 39 | Solo | DNF | ||||
| Walrus | John | Williams | M | San Clemente | California | United States | 1993 Furnace Creek 508 | 45 | Solo | FIN | 37:41:41 | |
| Walrus | John | Williams | M | Capistrano Beach | California | United States | 1996 Furnace Creek 508 | 48 | Solo | FIN | 30:29:19 | 4: two solo, two team |
| Warthog | John | Williams | M | Capistrano Beach | California | United States | 1998 Furnace Creek 508 | 50 | Solo | FIN | 37:55:00 | 5: three solo, two team |
| Warthog | John | Williams | M | Capistrano Beach | California | United States | 2000 Furnace Creek 508 | 52 | Solo | FIN | 37:33:03 | |
| Wasco | Philip | Jemielita | M | North Oaks | Minnesota | United States | 2010 Furnace Creek 508 | 54 | Two Man | FIN | ||
| Wasco | Robert | Rizzi | M | Bethesda | Maryland | United States | 2010 Furnace Creek 508 | 61 | Two Man | FIN | ||
| Wasp | Raymond | Williams | M | Riverside | California | United States | 2000 Furnace Creek 508 | 50 | Solo | DNF | ||
| Wasp | Raymond | Williams | M | Riverside | California | United States | 2001 Furnace Creek 508 | 51 | Solo | FIN | 47:20:00 | |
| Water Bear | Robert | Buntrock | M | Discovery Bay | California | United States | 2006 Furnace Creek 508 | 42 | Solo | FIN | 40:59:34 | |
| Water Dragon | Charlie | Engle | M | Greensboro | North Carolina | United States | 2007 Furnace Creek 508 | 45 | Solo | FIN | 34:31:12 | |
| Water Dragon | Charlie | Engle | M | Greensboro | North Carolina | United States | 2009 Furnace Creek 508 | 47 | Solo | FIN | 33:19:25 | New Death Valley Cup record! |
| Waterbuck | Charlie | Wilson | M | Santee | California | United States | 1995 Furnace Creek 508 | 35 | Solo | FIN | 39:30:15 | |
| Weasel | Dan | McCluskey | M | United States | 1994 Furnace Creek 508 | 46 | Four Man | FIN | 24:17:03 | |||
| Weasel | Dave | McComos | M | United States | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 24:17:03 | |||
| Weasel | Mike | Morrill | M | San Clemente | California | United States | 1994 Furnace Creek 508 | N/A | Four Man | FIN | 24:17:03 | |
| Weasel | John | Williams | M | Capistrano Beach | California | United States | 1994 Furnace Creek 508 | 46 | Four Man | FIN | 24:17:03 | |
| Weasel | David | Isaacs | M | United States | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 22:17:20 | 2nd team finish | ||
| Weasel | Dave | McComos | M | United States | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 22:17:20 | 2nd team finish | ||
| Weasel | Mike | Morrill | M | San Clemente | California | United States | 1995 Furnace Creek 508 | N/A | Four Man | FIN | 22:17:20 | 2nd team finish |
| Weasel | John | Williams | M | Capistrano Beach | California | United States | 1995 Furnace Creek 508 | 47 | Four Man | FIN | 22:17:20 | 2nd team finish |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | United States | 2003 Furnace Creek 508 | 46 | Solo | FIN | 33:23:51 | |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | United States | 2005 Furnace Creek 508 | 48 | Solo Recumbent | FIN | 36:52:44 | |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | United States | 2006 Furnace Creek 508 | 49 | Solo Recumbent | FIN | 31:50:35 | Age Group and overall Superstock recumbent course record |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | United States | 2007 Furnace Creek 508 | 50 | Solo Recumbent | FIN | 36:28:14 | |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | United States | 2008 Furnace Creek 508 | 51 | Solo Recumbent | FIN | 36:29:58 | |
| Werewolf | Richard | Philabaum | M | Phoenix | Arizona | United States | 2009 Furnace Creek 508 | 55 | Two Recumbent | FIN | 42:05:57 | |
| Werewolf | Timothy | Woudenberg | M | Moss Beach | California | United States | 2009 Furnace Creek 508 | 52 | Two Recumbent | FIN | 42:05:57 | |
| Werewolf | Timothy | Woudenberg | M | San Francisco | California | United States | 2010 Furnace Creek 508 | 53 | Solo Recumbent | FIN | ||
| West Coast Puffins | Jim | Brewer | M | La Habra | California | United States | 2010 Furnace Creek 508 | 72 | Two Man | FIN | ||
| West Coast Puffins | Bob | Fieldhouse | M | Anaheim | California | United States | 2010 Furnace Creek 508 | 72 | Two Man | FIN | ||
| Western Mojave Tortoise | Jeff | Cross | M | Burbank | California | United States | 2008 Furnace Creek 508 | 45 | Four Man | FIN | 33:21:11 | |
| Western Mojave Tortoise | Rod | Garcia | M | Northridge | California | United States | 2008 Furnace Creek 508 | 48 | Four Man | FIN | 33:21:11 | |
| Western Mojave Tortoise | Ron | Sarchian | M | Sherman Oaks | California | United States | 2008 Furnace Creek 508 | 44 | Four Man | FIN | 33:21:11 | |
| Western Mojave Tortoise | Gordon | Zabrecky | M | Saugus | California | United States | 2008 Furnace Creek 508 | 45 | Four Man | FIN | 33:21:11 | |
| Western Wood Pewee | William West | Clark, Jr | M | Salinas | California | United States | 2004 Furnace Creek 508 | 53 | Four Man | FIN | 38:29:35 | COURSE RECORD |
| Western Wood Pewee | James | Gilman | M | Salinas | California | United States | 2004 Furnace Creek 508 | 55 | Four Man | FIN | 38:29:35 | COURSE RECORD |
| Western Wood Pewee | Joseph | Schlater | M | Beverly Hills | California | United States | 2004 Furnace Creek 508 | 41 | Four Man | FIN | 38:29:35 | COURSE RECORD |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | United States | 2004 Furnace Creek 508 | 53 | Four Man | FIN | 38:29:35 | COURSE RECORD |
| Western Wood Pewee | Hector | Chavez | M | Monterey | California | United States | 2005 Furnace Creek 508 | 62 | Four Man | FIN | 33:40:52 | |
| Western Wood Pewee | William West | Clark, Jr | M | Salinas | California | United States | 2005 Furnace Creek 508 | 54 | Four Man | FIN | 33:40:52 | |
| Western Wood Pewee | James | Gilman | M | Salinas | California | United States | 2005 Furnace Creek 508 | 56 | Four Man | FIN | 33:40:52 | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | United States | 2005 Furnace Creek 508 | 54 | Four Man | FIN | 33:40:52 | |
| Western Wood Pewee | Hector | Chavez | M | Pacific Grove | California | United States | 2006 Furnace Creek 508 | 63 | Four Man | FIN | 35:23:03 | |
| Western Wood Pewee | James | Gilman | M | Seaside | California | United States | 2006 Furnace Creek 508 | 57 | Four Man | FIN | 35:23:03 | |
| Western Wood Pewee | Jan | Valencia | M | Salinas | California | United States | 2006 Furnace Creek 508 | 61 | Four Man | FIN | 35:23:03 | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | United States | 2006 Furnace Creek 508 | 55 | Four Man | FIN | 35:23:03 | |
| Western Wood Pewee | William West | Clark, Jr | M | Salinas | California | United States | 2007 Furnace Creek 508 | 56 | Four Man | FIN | 35:15:51 | |
| Western Wood Pewee | Philip | Darst | M | Salinas | California | United States | 2007 Furnace Creek 508 | 64 | Four Man | FIN | 35:15:51 | |
| Western Wood Pewee | James | Gilman | M | Salinas | California | United States | 2007 Furnace Creek 508 | 58 | Four Man | FIN | 35:15:51 | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | United States | 2007 Furnace Creek 508 | 56 | Four Man | FIN | 35:15:51 | |
| Western Wood Pewee | William West | Clark, Jr | M | Salinas | California | United States | 2008 Furnace Creek 508 | 57 | Four Man | FIN | 34:01:34 | |
| Western Wood Pewee | Patrick | Deberdt | M | Salinas | California | United States | 2008 Furnace Creek 508 | 50 | Four Man | FIN | 34:01:34 | |
| Western Wood Pewee | James | Gilman | M | Salinas | California | United States | 2008 Furnace Creek 508 | 59 | Four Man | FIN | 34:01:34 | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | United States | 2008 Furnace Creek 508 | 57 | Four Man | FIN | 34:01:34 | |
| Western Wood Pewee | Hector | Chavez | M | Monterey | California | United States | 2009 Furnace Creek 508 | 66 | Four Man | FIN | 41:33:04 | |
| Western Wood Pewee | William West | Clark, Jr | M | Pebble Beach | California | United States | 2009 Furnace Creek 508 | 58 | Four Man | FIN | 41:33:04 | |
| Western Wood Pewee | James | Gilman | M | Salinas | California | United States | 2009 Furnace Creek 508 | 60 | Four Man | FIN | 41:33:04 | |
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | United States | 2009 Furnace Creek 508 | 58 | Four Man | FIN | 41:33:04 | |
| Western Wood Pewee | Patrick | Deberdt | M | Salinas | California | United States | 2010 Furnace Creek 508 | 52 | Two Man | FIN | ||
| Western Wood Pewee | Bill | Zimmerman | M | Carmel Valley | California | United States | 2010 Furnace Creek 508 | 59 | Two Man | FIN | ||
| Whale | Mike | Wilson | M | Saratoga | California | United States | 1993 Furnace Creek 508 | 48 | Solo | FIN | 43:16:28 | |
| Whale | Mike | Wilson | M | Saratoga | California | United States | 1995 Furnace Creek 508 | 50 | Solo | FIN | 34:18:07 | 3: two solo, one team |
| Whippet | Nick | Bement | M | United States | 1995 Furnace Creek 508 | 46 | Four Man | FIN | 27:51:00 | |||
| Whippet | Larry | Mahrenholtz | M | Azusa | California | United States | 1995 Furnace Creek 508 | 48 | Four Man | FIN | 27:51:00 | |
| Whippet | Bob | McRae | M | United States | 1995 Furnace Creek 508 | 51 | Four Man | FIN | 27:51:00 | |||
| Whippet | Jerry | Wildermuth | M | Whittier | California | United States | 1995 Furnace Creek 508 | 48 | Four Man | FIN | 27:51:00 | |
| Whippet | Ron | Byrum | M | United States | 1996 Furnace Creek 508 | 36 | Four Man | FIN | 29:41:51 | |||
| Whippet | Jewett | Pattee | M | Long Beach | California | United States | 1996 Furnace Creek 508 | 73 | Four Man | FIN | 29:41:51 | |
| Whippet | Bob | Walz | M | United States | 1996 Furnace Creek 508 | 51 | Four Man | FIN | 29:41:51 | |||
| Whippet | Jerry | Wildermuth | M | Whittier | California | United States | 1996 Furnace Creek 508 | 49 | Four Man | FIN | 29:41:51 | |
| Whippet | Ron | Byrum | M | United States | 1997 Furnace Creek 508 | 37 | Four Man | FIN | 28:42:57 | |||
| Whippet | Kevin | Kester | M | United States | 1997 Furnace Creek 508 | 40 | Four Man | FIN | 28:42:57 | |||
| Whippet | Santiago | Ramos | M | California | United States | 1997 Furnace Creek 508 | 51 | Four Man | FIN | 28:42:57 | ||
| Whippet | Jerry | Wildermuth | M | Whittier | California | United States | 1997 Furnace Creek 508 | 50 | Four Man | FIN | 28:42:57 | |
| Whippet | Ron | Byrum | M | United States | 1998 Furnace Creek 508 | 38 | Four Man | FIN | 31:53:10 | 2nd team finish | ||
| Whippet | Katherine O. | Kearney | M | Long Beach | California | United States | 1998 Furnace Creek 508 | 36 | Four Man | FIN | 31:53:10 | 2nd team finish |
| Whippet | Jewett | Pattee | M | Long Beach | California | United States | 1998 Furnace Creek 508 | 75 | Four Man | FIN | 31:53:10 | 2nd team finish |
| Whippet | Ron | Way | M | Downey | California | United States | 1998 Furnace Creek 508 | 63 | Four Man | FIN | 31:53:10 | 2nd team finish |
| Whippet | Katherine | Kearney | F | Long Beach | California | United States | 1999 Furnace Creek 508 | 37 | Four Mixed | FIN | 33:17:15 | Mix 50+ CR |
| Whippet | Jewett | Pattee | M | Long Beach | California | United States | 1999 Furnace Creek 508 | 76 | Four Mixed | FIN | 33:17:15 | Mix 50+ CR |
| Whippet | Carmelita | Sellers | F | Redondo Beach | California | United States | 1999 Furnace Creek 508 | 65 | Four Mixed | FIN | 33:17:15 | Mix 50+ CR |
| Whippet | Jerry | Wildermuth | M | Whittier | California | United States | 1999 Furnace Creek 508 | 52 | Four Mixed | FIN | 33:17:15 | Mix 50+ CR |
| Whippet | Joe | Brown | M | Simi Valley | California | United States | 2000 Furnace Creek 508 | 56 | Four Man | FIN | 31:37:38 | |
| Whippet | Jewett | Pattee | M | Long Beach | California | United States | 2000 Furnace Creek 508 | 77 | Four Man | FIN | 31:37:38 | |
| Whippet | Shorty | Ramos | M | La Mirada | California | United States | 2000 Furnace Creek 508 | 54 | Four Man | FIN | 31:37:38 | |
| Whippet | Ron | Way | M | Downey | California | United States | 2000 Furnace Creek 508 | 65 | Four Man | FIN | 31:37:38 | |
| Whippet | Katherine | Kearney | F | Long Beach | California | United States | 2003 Furnace Creek 508 | 41 | Four Mixed | FIN | 33:27:55 | |
| Whippet | Elizabeth | Pattee | F | Lakewood | California | United States | 2003 Furnace Creek 508 | 25 | Four Mixed | FIN | 33:27:55 | |
| Whippet | Jewett | Pattee | M | Long Beaach | California | United States | 2003 Furnace Creek 508 | 80 | Four Mixed | FIN | 33:27:55 | |
| Whippet | Jerry | Wildermuth | M | Whittier | California | United States | 2003 Furnace Creek 508 | 56 | Four Mixed | FIN | 33:27:55 | |
| Whippoorwill | Chris | Kostman | M | Los Angeles | California | United States | May 1984 | 18 | Solo | HON | ||
| White Buffalo | John R. | Caton | M | Spokane | Washington | United States | 2004 Furnace Creek 508 | 47 | Solo | DNF | nausea and vomiting | |
| White Rabbit | Anna | Boldon | F | Middleton | Wisconsin | United States | 2007 Furnace Creek 508 | 37 | Solo | DNF | ||
| White Rabbit | Anna | Boldon | F | Middleton | Wisconsin | United States | 2008 Furnace Creek 508 | 38 | Solo | FIN | 43:26:05 | |
| White Tail Deer | Dave | Heckman | M | El Granada | California | United States | 2005 Furnace Creek 508 | 31 | Solo | FIN | 47:40:30 | |
| White Weasel | Rob | Berry | M | Bakersfield | California | United States | 2007 Furnace Creek 508 | 33 | Solo | DNS | ||
| Whooping Cranes | Joe | Brown | M | Simi Valley | California | United States | 2007 Furnace Creek 508 | 63 | Two Man | FIN | 31:46:29 | |
| Whooping Cranes | Dan | Crain | M | Irvine | California | United States | 2007 Furnace Creek 508 | 62 | Two Man | FIN | 31:46:29 | |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | United States | 2007 Furnace Creek 508 | 48 | Solo | FIN | 35:51:38 | |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | United States | 2008 Furnace Creek 508 | 49 | Solo | FIN | 34:38:34 | 2008 Death Valley Cup: Badwater + The 508 |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | United States | 2009 Furnace Creek 508 | 50 | Solo | FIN | 39:54:25 | |
| Wiener Dog | Danny | Westergaard | M | Rolling Hills | California | United States | 2010 Furnace Creek 508 | 51 | Solo | FIN | ||
| Wild Buck | Gerry | Cody | M | Los Angeles | California | United States | 2008 Furnace Creek 508 | 30 | Solo | FIN | 36:34:43 | |
| Wild Burros | Jacob | Breidenbach | M | Los Angeles | California | United States | 2010 Furnace Creek 508 | 23 | Four Mixed | FIN | ||
| Wild Burros | Megan | Dean | F | Los Angeles | California | United States | 2010 Furnace Creek 508 | 26 | Four Mixed | FIN | ||
| Wild Burros | Sasha | Perry | F | Los Angeles | California | United States | 2010 Furnace Creek 508 | 26 | Four Mixed | FIN | ||
| Wild Burros | Michael | Szerszunowicz | M | Los Angeles | California | United States | 2010 Furnace Creek 508 | 27 | Four Mixed | FIN | ||
| Wild Dogs | James | Cook | M | San Clemente | California | United States | 2010 Furnace Creek 508 | 57 | Two Man | FIN | ||
| Wild Dogs | John | Witkowicki | M | Petaluma | California | United States | 2010 Furnace Creek 508 | 60 | Two Man | FIN | ||
| Wild Mustang | Keith | Laird | M | Ventura | California | United States | 2007 Furnace Creek 508 | 52 | Solo | DNF | ||
| Wild Rooster | Keith | Laird | M | Ventura | California | United States | 2006 Furnace Creek 508 | 51 | Two Man | FIN | 32:22:30 | |
| Wild Rooster | Eric | Wilson | M | Palmdale | California | United States | 2006 Furnace Creek 508 | 54 | Two Man | FIN | 32:22:30 | |
| Wild Turkey | Mike | Wilson | M | San Diego | California | United States | 2007 Furnace Creek 508 | 34 | Solo | FIN | 41:44:53 | |
| Wild Turkey | Mike | Wilson | M | San Diego | California | United States | 2008 Furnace Creek 508 | 35 | Solo | FIN | 35:15:37 | |
| Wild Turkey | Mike | Wilson | M | San Diego | California | United States | 2010 Furnace Creek 508 | 37 | Solo | FIN | ||
| Wild Weasel | Jens | Winter | M | Gau-Bischofsheim | Germany | 2010 Furnace Creek 508 | 44 | Solo | FIN | |||
| Wildcat | Lulu | Weschler | F | Colts Neck | New Jersey | United States | 1998 Furnace Creek 508 | 50 | Solo | DNF | ||
| Wildebeest | Burt | Ward | M | United States | 1997 Furnace Creek 508 | 57 | Solo | DNF | stomach | |||
| Wilder Giraffe | Dezmin | Wilder | M | La Mesa | California | United States | 2010 Furnace Creek 508 | 24 | Solo | FIN | ||
| Wiley Coyote | Paul | Grimm | M | Littleton | Colorado | United States | 2010 Furnace Creek 508 | 42 | Solo | FIN | ||
| Wolf | Andreas | Uiberlacher | M | Rosegg | Austria | 2001 Furnace Creek 508 | 30 | Solo | FIN | 43:17:00 | ||
| Wolf Bat | Joseph | Desena | M | Pittsfield | Vermont | United States | 2007 Furnace Creek 508 | 38 | Solo | FIN | 38:32:29 | |
| Wolf Bat | Joseph | Desena | M | Pittsfield | Vermont | United States | 2008 Furnace Creek 508 | 39 | Solo | DQ | ||
| Wolf Bird | David | Hunter-Inman | M | Victorville | California | United States | 2007 Furnace Creek 508 | 49 | Solo | DNF | ||
| Wolf Fish | Gloria | Castro | F | Los Angeles | California | United States | 2007 Furnace Creek 508 | 37 | Four Man | FIN | 36:22:48 | |
| Wolf Fish | Mark | Rinaldi | M | Whittier | California | United States | 2007 Furnace Creek 508 | 40 | Four Man | FIN | 36:22:48 | |
| Wolf Fish | Alejandro | Trejo | M | Los Angeles | California | United States | 2007 Furnace Creek 508 | 44 | Four Man | FIN | 36:22:48 | |
| Wolf Fish | Chris | Watkins | M | Redlands | California | United States | 2007 Furnace Creek 508 | 49 | Four Man | FIN | 36:22:48 | |
| Wolf Fish | Gloria | Castro | F | Los Angeles | California | United States | 2008 Furnace Creek 508 | 38 | Two Mixed | FIN | 37:44:44 | |
| Wolf Fish | Alejandro | Trejo | M | Los Angeles | California | United States | 2008 Furnace Creek 508 | 45 | Two Mixed | FIN | 37:44:44 | |
| Wolf Spider | Ann | Wooldridge | F | Gloucester | Gloucestershire | United Kingdom | 2007 Furnace Creek 508 | 48 | Solo | FIN | 40:27:09 | |
| Wolfman | Ruben | Flores | M | Oak Park | California | United States | 2009 Furnace Creek 508 | 51 | Two Man | DNF | ||
| Wolfman | Douglas | Kubler | M | Thousand Oaks | California | United States | 2009 Furnace Creek 508 | 65 | Two Man | DNF | ||
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | October 1991 Furnace Creek 508 | 34 | Solo | FIN | 41:06:35 | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 1993 Furnace Creek 508 | 36 | Solo | DNF | ||
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 1995 Furnace Creek 508 | 38 | Solo | FIN | 39:44:44 | 2nd solo finish |
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 1999 Furnace Creek 508 | 42 | Solo | DNF | TS5 - stomach | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 2002 Furnace Creek 508 | 45 | Solo | FIN | 36:19:57 | New Qual. |
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 2003 Furnace Creek 508 | 46 | Solo | DNF | ||
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 2004 Furnace Creek 508 | 47 | Solo | FIN | 39:22:17 | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 2005 Furnace Creek 508 | 48 | Solo | FIN | 35:48:13 | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 2007 Furnace Creek 508 | 50 | Solo | FIN | 36:36:40 | |
| Wolverine | Kevin | Walsh | M | Lancaster | California | United States | 2009 Furnace Creek 508 | 52 | Solo | DNF | ||
| Wolverine #2 | Deiter | Weik | M | Bakersfield | California | United States | 1994 Furnace Creek 508 | 31 | Solo | FIN | 35:18:37 | |
| Wolves | Wolfgang | Erhart | M | Austria | 1998 Furnace Creek 508 | N/A | Tandem Men | FIN | 29:58:18 | Course Record | ||
| Wolves | Franz | Kasserer | M | Austria | 1998 Furnace Creek 508 | N/A | Tandem Men | FIN | 29:58:18 | Course Record | ||
| Wombat | Dick | Weber | M | Clackamas | Oregon | United States | 2003 Furnace Creek 508 | 61 | Solo | FIN | 36:50:33 | Course Record! |
| Wood Duck | Babak | Azad | M | Los Angeles | California | United States | 2008 Furnace Creek 508 | 35 | Four Man | FIN | 33:41:50 | |
| Wood Duck | Bruce | Comer | M | Playa Vista | California | United States | 2008 Furnace Creek 508 | 43 | Four Man | FIN | 33:41:50 | |
| Wood Duck | Mark | Fisler | M | Palos Verdes Estates | California | United States | 2008 Furnace Creek 508 | 44 | Four Man | FIN | 33:41:50 | |
| Wood Duck | Tod | Wood | M | Haiku | Hawaii | United States | 2008 Furnace Creek 508 | 44 | Four Man | FIN | 33:41:50 | |
| Wood Turtle | Jeff | Wong | M | Fremont | California | United States | 2009 Furnace Creek 508 | 44 | Solo | FIN | 43:41:01 | |
| Woodchuck | Rick | Anderson | M | United States | 1994 Furnace Creek 508 | 41 | Four Man | FIN | 26:23:22 | |||
| Woodchuck | David | Moore | M | United States | 1994 Furnace Creek 508 | 23 | Four Man | FIN | 26:23:22 | |||
| Woodchuck | Robert | Satterthwaite | M | United States | 1994 Furnace Creek 508 | 23 | Four Man | FIN | 26:23:22 | |||
| Woodchuck | Mike | Wilson | M | Saratoga | California | United States | 1994 Furnace Creek 508 | 49 | Four Man | FIN | 26:23:22 | |
| Woodduck | Evan | Anderman | M | Denver | Colorado | United States | 2009 Furnace Creek 508 | 45 | Four Man | DNF | ||
| Woodduck | Bruce | Comer | M | Playa Vista | California | United States | 2009 Furnace Creek 508 | 44 | Four Man | DNF | ||
| Woodduck | Mark | Fisler | M | Palos Verdes Estates | California | United States | 2009 Furnace Creek 508 | 45 | Four Man | DNF | ||
| Woodduck | Elizabeth | Kollar | F | Hermosa Beach | California | United States | 2009 Furnace Creek 508 | 51 | Four Man | DNF | ||
| Wooden Badger | Tobias | Panek | M | Poway | California | United States | 2010 Furnace Creek 508 | 39 | Solo | FIN | ||
| Woodpecker | James | Watrous | M | United States | October 1989 RAAM Open West | 50 | Solo | DNF | ||||
| Woodpecker | James | Watrous | M | United States | 1995 Furnace Creek 508 | 56 | Solo | DNF | ||||
| Wookie | Jason | Nemecek | M | San Jose | California | United States | 2006 Furnace Creek 508 | 35 | Solo | DNF | ||
| Woolly Mammoth | Curt | Nichols | M | El Dorado Hills | California | United States | 2002 Furnace Creek 508 | 46 | Two Man | FIN | 33:58:10 | |
| Woolly Mammoth | Troy | Winslow | M | Elk Grove | California | United States | 2002 Furnace Creek 508 | 35 | Two Man | FIN | 33:58:10 | |
| Woolly Monkey | George | Butler | M | Bakersfield | California | United States | 2000 Furnace Creek 508 | 43 | Solo | FIN | 39:53:37 | |
| Worm | Ron | Way | M | Downey | California | United States | 1999 Furnace Creek 508 | 64 | Solo | DNF | TS4 - stomach | |
| Worm | Ron | Way | M | Downey | California | United States | 2001 Furnace Creek 508 | 66 | Solo | FIN | 42:16:00 | |
| Worm | Ron | Way | M | Downey | California | United States | 2002 Furnace Creek 508 | 67 | Solo | FIN | 45:29:36 | |
| Worm | Ron | Way | M | Downey | California | United States | 2003 Furnace Creek 508 | 68 | Solo | DNF | ||
| Wren | Wade | Baker | M | Atascadero | California | United States | 2004 Furnace Creek 508 | 49 | Solo | FIN | 36:59:57 | |
| Wren | Wade | Baker | M | Atascadero | California | United States | 2005 Furnace Creek 508 | 50 | Solo | FIN | 31:16:43 | |
| Wren | Wade | Baker | M | Atascadero | California | United States | 2006 Furnace Creek 508 | 51 | Solo | FIN | 31:55:44 | |
| Wren | Wade | Baker | M | Atascadero | California | United States | 2008 Furnace Creek 508 | 53 | Solo | FIN | 32:48:08 | |
| Wren | Wade | Baker | M | Atascadero | California | United States | 2009 Furnace Creek 508 | 54 | Solo | FIN | 35:33:40 | |
| Wren | Wade | Baker | M | Atascadero | California | United States | 2010 Furnace Creek 508 | 55 | Solo | FIN | ||
| Wrentit | Wade | Baker | M | Atascadero | California | United States | 2007 Furnace Creek 508 | 52 | Two Mixed | FIN | 31:59:05 | |
| Wrentit | Isabelle | Drake | F | Laguna Beach | California | United States | 2007 Furnace Creek 508 | 54 | Two Mixed | FIN | 31:59:05 | |
| Yak | Lawrence J. | Gitman | M | La Jolla | California | United States | 2004 Furnace Creek 508 | 58 | Two Man | FIN | 30:43:07 | COURSE RECORD |
| Yak | Jim | Knight | M | Rancho Santa Fe | California | United States | 2004 Furnace Creek 508 | 43 | Two Man | FIN | 30:43:07 | COURSE RECORD |
| Yak | Mark | Erwin | M | San Diego | California | United States | 2005 Furnace Creek 508 | 51 | Four Man | FIN | 26:45:34 | |
| Yak | Lawrence J. | Gitman | M | La Jolla | California | United States | 2005 Furnace Creek 508 | 59 | Four Man | FIN | 26:45:34 | |
| Yak | Jim | Knight | M | Rancho Santa Fe | California | United States | 2005 Furnace Creek 508 | 44 | Four Man | FIN | 26:45:34 | |
| Yak | Jim | Woodman | M | San Diego | California | United States | 2005 Furnace Creek 508 | 46 | Four Man | FIN | 26:45:34 | |
| Yak | Lawrence J. | Gitman | M | La Jolla | California | United States | 2010 Furnace Creek 508 | 64 | Four Man | FIN | ||
| Yak | Bill | Holland | M | Alpine | California | United States | 2010 Furnace Creek 508 | 58 | Four Man | FIN | ||
| Yak | Dennis | Kasischke | M | San Diego | California | United States | 2010 Furnace Creek 508 | 64 | Four Man | FIN | ||
| Yak | Ed | Paul | M | Alpine | California | United States | 2010 Furnace Creek 508 | 57 | Four Man | FIN | ||
| Yellow Jacket | John | D'Elia | M | Middletown | Connecticut | United States | 2005 Furnace Creek 508 | 44 | Solo | FIN | 35:57:07 | |
| Yeti | William | Pease | M | Ridgecrest | California | United States | 2010 Furnace Creek 508 | 27 | Solo | FIN | ||
| Yodeling Plankton | Iva | Hradilova | M | San Francisco | California | United States | 2002 Furnace Creek 508 | 37 | Four Man | FIN | 32:36:45 | |
| Yodeling Plankton | Brennis | Wagoner | M | Woodland Hills | California | United States | 2002 Furnace Creek 508 | 60 | Four Man | FIN | 32:36:45 | |
| Yodeling Plankton | James | Wagoner | M | Woodland Hills | California | United States | 2002 Furnace Creek 508 | 62 | Four Man | FIN | 32:36:45 | |
| Yodeling Plankton | John Shannon | Wagoner | M | Corte Madera | California | United States | 2002 Furnace Creek 508 | 37 | Four Man | FIN | 32:36:45 | |
| Yodeling Plankton | John Shannon | Wagoner | M | Corte Madera | California | United States | 2004 Furnace Creek 508 | 39 | Solo | FIN | 46:26:30 | |
| Yodeling Plankton | John Shannon | Wagoner | M | Corte Madera | California | United States | 2005 Furnace Creek 508 | 40 | Solo | DNF | ||
| Yodeling Plankton | James | Wagoner | M | Corte Madera | California | United States | 2007 Furnace Creek 508 | 42 | Solo | DNF | DNF: Wrong turn | |
| Yodeling Plankton | Iva | Hradilova | F | San Francisco | California | United States | 2008 Furnace Creek 508 | 43 | Four Mixed | FIN | 41:38:11 | |
| Yodeling Plankton | Ed | Kleban | M | Denver | Colorado | United States | 2008 Furnace Creek 508 | 44 | Four Mixed | FIN | 41:38:11 | |
| Yodeling Plankton | Brennis | Wagoner | F | Woodland Hills | California | United States | 2008 Furnace Creek 508 | 66 | Four Mixed | FIN | 41:38:11 | |
| Yodeling Plankton | James | Wagoner | M | Woodland Hills | California | United States | 2008 Furnace Creek 508 | 68 | Four Mixed | FIN | 41:38:11 | |
| Zebra | Willi | Zuber | M | Switzerland | October 1991 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Zebra | Willi | Zuber | M | Switzerland | 1992 Furnace Creek 508 | N/A | Solo | DNF | ||||
| Zebra | Willi | Zuber | M | Switzerland | 1993 Furnace Creek 508 | 53 | Solo | DNF | ||||
| Zebra | Willi | Zuber | M | Switzerland | 1995 Furnace Creek 508 | 55 | Solo | FIN | 39:15:40 | |||
| Zombie Squirrel | Luke | Ashcraft | M | San Francisco | California | United States | 2009 Furnace Creek 508 | 39 | Four Man | FIN | 29:49:50 | |
| Zombie Squirrel | Devin | Koch | M | San Francisco | California | United States | 2009 Furnace Creek 508 | 43 | Four Man | FIN | 29:49:50 | |
| Zombie Squirrel | Mary | Magnani | M | Moraga | California | United States | 2009 Furnace Creek 508 | 38 | Four Man | FIN | 29:49:50 | |
| Zombie Squirrel | Stephen | Yountsey | M | San Francisco | California | United States | 2009 Furnace Creek 508 | 47 | Four Man | FIN | 29:49:50 | |
| Zombie Squirrel | Luke | Ashcraft | M | San Francisco | California | United States | 2010 Furnace Creek 508 | 40 | Four Man | FIN | ||
| Zombie Squirrel | James | Gordon | M | San Francisco | California | United States | 2010 Furnace Creek 508 | 49 | Four Man | FIN | ||
| Zombie Squirrel | Devin | Koch | M | Truckee | California | United States | 2010 Furnace Creek 508 | 44 | Four Man | FIN | ||
| Zombie Squirrel | Stephen | Youtsey | M | San Jose | California | United States | 2010 Furnace Creek 508 | 48 | Four Man | FIN | ||
| Zorilla | Doug | Huskey | M | Santa Cruz | California | United States | 2005 Furnace Creek 508 | 53 | Four Mixed | FIN | 33:07:31 | |
| Zorilla | Marnel | King | F | Campbell | California | United States | 2005 Furnace Creek 508 | 48 | Four Mixed | FIN | 33:07:31 | |
| Zorilla | Patti | Lynch | F | Campbell | California | United States | 2005 Furnace Creek 508 | 46 | Four Mixed | FIN | 33:07:31 | |
| Zorilla | Barry | Schon | M | Minneapolis | Minnesota | United States | 2005 Furnace Creek 508 | 34 | Four Mixed | FIN | 33:07:31 | |
| Zorilla | Doug | Huskey | M | Santa Cruz | California | United States | 2006 Furnace Creek 508 | 54 | Four Mixed | FIN | 33:41:06 | |
| Zorilla | Marnel | King | F | Campbell | California | United States | 2006 Furnace Creek 508 | 49 | Four Mixed | FIN | 33:41:06 | |
| Zorilla | Patti | Lynch | F | Campbell | California | United States | 2006 Furnace Creek 508 | 47 | Four Mixed | FIN | 33:41:06 | |
| Zorilla | Barry | Schon | M | Minneapolis | Minnesota | United States | 2006 Furnace Creek 508 | 35 | Four Mixed | FIN | 33:41:06 | |
| Zorilla | Laura | Jump | F | San Jose | California | United States | 2007 Furnace Creek 508 | 38 | Four Mixed | FIN | 32:47:05 | |
| Zorilla | Marnel | King | F | Campbell | California | United States | 2007 Furnace Creek 508 | 50 | Four Mixed | FIN | 32:47:05 | |
| Zorilla | Lane | Parker | M | San Jose | California | United States | 2007 Furnace Creek 508 | 53 | Four Mixed | FIN | 32:47:05 | |
| Zorilla | Barry | Schon | M | Santa Cruz | California | United States | 2007 Furnace Creek 508 | 37 | Four Mixed | FIN | 32:47:05 | |
| Zorilla | Laura | Jump | F | San Jose | California | United States | 2008 Furnace Creek 508 | 40 | Four Mixed | FIN | 32:39:52 | |
| Zorilla | Marnel | King | F | Campbell | California | United States | 2008 Furnace Creek 508 | 51 | Four Mixed | FIN | 32:39:52 | |
| Zorilla | Lane | Parker | M | San Jose | California | United States | 2008 Furnace Creek 508 | 54 | Four Mixed | FIN | 32:39:52 | |
| Zorilla | Barry | Schon | M | Anchorage | Alaska | United States | 2008 Furnace Creek 508 | 38 | Four Mixed | FIN | 32:39:52 | |
| Zorilla | Laura | Jump | F | San Jose | California | United States | 2009 Furnace Creek 508 | 41 | Four Mixed | FIN | 34:58:11 | |
| Zorilla | Marnel | King | F | Campbell | California | United States | 2009 Furnace Creek 508 | 52 | Four Mixed | FIN | 34:58:11 | |
| Zorilla | Oliver | Pohl | M | Richmond | California | United States | 2009 Furnace Creek 508 | 36 | Four Mixed | FIN | 34:58:11 | |
| Zorilla | Barry | Schon | M | Minneapolis | Minnesota | United States | 2009 Furnace Creek 508 | 39 | Four Mixed | FIN | 34:58:11 | |
| Zorilla | Ken | Emerson | M | San Jose | California | United States | 2010 Furnace Creek 508 | 52 | Two Mixed | FIN | ||
| Zorilla | Marnel | King | F | Campbell | California | United States | 2010 Furnace Creek 508 | 53 | Two Mixed | FIN |