Amarillo, TX
| Rank | Year | Name | Category | Time |
|---|---|---|---|---|
| 1 | 1985 | Scott Demaree | M 30-39 | 6:27:52 |
| 2 | 1986 | Jack Christian | M 30-39 | 6:38:37 |
| 3 | 2014 | Steven Moore | M 40-49 | 6:54:15 |
| 4 | 2002 | Matt Harrington | M 30-39 | 6:56:18 |
| 5 | 2011 | Brian Tinder | M 30-39 | 7:00:09 |
| 6 | 1995 | Dan Landry | M 40-49 | 7:02:05 |
| 7 | 1986 | Dennis Fugate | M 30-39 | 7:04:35 |
| 8 | 2012 | Quent Bearden | M 30-39 | 7:05:01 |
| 9 | 2014 | Nicole Studer | F 30-39 | 7:05:14 |
| 10 | 2011 | Quent Bearden | M 30-39 | 7:10:39 |
| 11 | 2005 | Rick Hessek | M 30-39 | 7:16:02 |
| 12 | 2015 | Joshua Givens | M 30-39 | 7:19:09 |
| 13 | 2013 | Ernesto Duran | M 30-39 | 7:23:22 |
| 14 | 2014 | Jeff Ball | M 20-29 | 7:23:43 |
| 15 | 2008 | Jamie Cleveland | M 30-39 | 7:23:48 |
| 16 | 2007 | Mattrix Harrington | M 30-39 | 7:23:48 |
| 17 | 2004 | Ken Gordon | M 30-39 | 7:25:21 |
| 18 | 2008 | Rick Hessek | M 40-49 | 7:32:08 |
| 19 | 1999 | Scott Eppelman | M 30-39 | 7:34:26 |
| 20 | 2008 | Scott Eppelman | M 40-49 | 7:35:47 |
| 21 | 2014 | Luke Stephenson | M 20-29 | 7:36:34 |
| 22 | 2002 | Bill Gardner | M 30-39 | 7:37:25 |
| 23 | 1997 | Scott Eppelman | M 30-39 | 7:38:00 |
| 24 | 2017 | Michael Kershen | M 30-39 | 7:39:33 |
| 25 | 1986 | Hugh MacPherson | M 40-49 | 7:42:04 |
| 26 | 2008 | Paul Dewitt | M 40-49 | 7:42:32 |
| 27 | 1997 | Glenn Hamilton | M 40-49 | 7:43:00 |
| 28 | 2006 | Shawn Bostad | M 20-29 | 7:43:19 |
| 29 | 2014 | Jon Korte | M 40-49 | 7:45:41 |
| 30 | 2011 | Edgar Martinez | M 30-39 | 7:45:54 |
| 31 | 2021 | Adam Doe | M 30-39 | 7:46:12 |
| 32 | 2005 | Todd Reynolds | M 30-39 | 7:46:22 |
| 33 | 1995 | Kelly Heath | M 30-39 | 7:46:30 |
| 34 | 1986 | Jay Norman | M 40-49 | 7:47:10 |
| 35 | 2009 | Jacob Fetterolf | M 20-29 | 7:48:19 |
| 36 | 2013 | Nicole Studer | F 30-39 | 7:48:59 |
| 37 | 2018 | Luke Stephenson | M 30-39 | 7:50:38 |
| 38 | 2002 | Ted Bidwell | M 50-59 | 7:53:42 |
| 39 | 1985 | Jack Christian | M 30-39 | 7:54:32 |
| 40 | 1985 | Donald Kesinger | M 40-49 | 7:56:16 |
| 41 | 2012 | Nicole Studer | F 30-39 | 7:56:36 |
| 42 | 1999 | Dave Drach | M 40-49 | 7:57:03 |
| 43 | 2011 | Chris McClure | M 30-39 | 7:57:24 |
| 44 | 2006 | Matt Ellis | M 40-49 | 7:57:34 |
| 45 | 2011 | Bill Sutherland | M 40-49 | 8:00:06 |
| 46 | 2003 | Tim Neckar | M 40-49 | 8:02:37 |
| 47 | 1997 | Hosni Haghighian | F 30-39 | 8:04:00 |
| 48 | 2007 | Pete Mehok | M 20-29 | 8:04:12 |
| 49 | 2006 | Herb Tanzer | M 50-59 | 8:06:20 |
| 50 | 2003 | Amanda McIntosh | F 30-39 | 8:06:49 |
| 51 | 1997 | Vicente Ledesma | M 40-49 | 8:07:00 |
| 52 | 2004 | Chris Castorena | M < 20 | 8:07:44 |
| 53 | 2008 | Ryan Hess | M 20-29 | 8:08:32 |
| 54 | 1995 | Jack Christian | M 40-49 | 8:10:07 |
| 55 | 2011 | Benjamin Willis | M 30-39 | 8:10:32 |
| 56 | 2001 | Ted Bidwell | M 50-59 | 8:12:03 |
| 57 | 2022 | Thomas Orf | M 50-59 | 8:13:04 |
| 58 | 2006 | Susan Brozik | F 30-39 | 8:13:49 |
| 59 | 2012 | John Cobbs | M 50-59 | 8:14:12 |
| 60 | 2008 | Gergo Perlaky | M 20-29 | 8:14:26 |
| 61 | 2008 | Dale Cougot | M 40-49 | 8:14:45 |
| 62 | 2006 | Kelly Heath | M 40-49 | 8:17:25 |
| 63 | 2005 | Keith Grimes | M 40-49 | 8:17:26 |
| 64 | 2012 | Thomas Aten | M 20-29 | 8:17:26 |
| 65 | 2004 | Justin Hesse | M 20-29 | 8:17:33 |
| 66 | 2013 | Gia Madole | F 30-39 | 8:18:05 |
| 67 | 1985 | Mike Roberts | M | 8:18:32 |
| 68 | 2017 | Mark Hillers | M 20-29 | 8:19:50 |
| 69 | 2005 | Ted Bidwell | M 50-59 | 8:23:19 |
| 70 | 2002 | Robert Tavernini | M 30-39 | 8:23:39 |
| 71 | 2007 | John Paterson | M 20-29 | 8:24:20 |
| 72 | 1997 | Mark Norman | M 40-49 | 8:25:00 |
| 73 | 2008 | Andrea Fisher | F 30-39 | 8:25:30 |
| 74 | 2008 | Stefan Grater | M 40-49 | 8:25:34 |
| 75 | 2006 | Pat Scott | M 50-59 | 8:26:23 |
| 76 | 2010 | Stuart White | M 40-49 | 8:26:25 |
| 77 | 2000 | Scott Eppelman | M 30-39 | 8:28:15 |
| 78 | 2004 | Jack Christian | M 50-59 | 8:29:08 |
| 79 | 1999 | Chisholm Deupree | M 30-39 | 8:30:24 |
| 80 | 2005 | David Coblentz | M 40-49 | 8:30:32 |
| 81 | 2016 | Joe Schmal | M 30-39 | 8:30:36 |
| 82 | 1995 | Hosni Haghighian | F 30-39 | 8:31:29 |
| 83 | 2014 | Barrett Langton | M 30-39 | 8:33:26 |
| 84 | 2006 | Rene Villalobos | M 40-49 | 8:33:28 |
| 85 | 2009 | Megan Haley | F 40-49 | 8:33:37 |
| 86 | 1997 | Howard Culp | M 40-49 | 8:34:00 |
| 87 | 2009 | Mark Plucinski | M 50-59 | 8:34:19 |
| 88 | 2006 | Edwin Heller | M 40-49 | 8:34:43 |
| 89 | 2013 | Aaron Ochoa | M 30-39 | 8:34:57 |
| 90 | 2002 | Vicente Ledesma | M 50-59 | 8:35:38 |
| 91 | 1986 | Mike Glasscock | M 30-39 | 8:35:51 |
| 92 | 2005 | Edwin Heller | M 40-49 | 8:35:58 |
| 93 | 2004 | Pat Scott | M 50-59 | 8:36:24 |
| 94 | 2019 | Jacob Stevens | M 30-39 | 8:36:55 |
| 95 | 2006 | Eric Herzog | M 30-39 | 8:37:16 |
| 96 | 2003 | Craig Robertson | M 40-49 | 8:37:55 |
| 97 | 2008 | Stephen Vreeke | M 30-39 | 8:38:36 |
| 98 | 2013 | Chad Bailey | M 30-39 | 8:38:53 |
| 99 | 2000 | John Brown | M 30-39 | 8:39:14 |
| 100 | 1986 | Harry Deupree | M 40-49 | 8:40:07 |