Custer, SD
| Rank | Year | Name | Category | Time |
|---|---|---|---|---|
| 1 | 2015 | Michael Borst | M 20-29 | 6:03:33 |
| 2 | 2008 | Howard Nippert | M 40-49 | 6:06:10 |
| 3 | 2019 | Peter Marsted | M 20-29 | 6:12:30 |
| 4 | 2022 | Ida Narbuvoll | F 20-29 | 6:23:27 |
| 5 | 2015 | Joel Phipps | M 30-39 | 6:45:39 |
| 6 | 2011 | Melanie Fryar | F 30-39 | 6:51:32 |
| 7 | 2017 | William McGinnis | M 30-39 | 6:52:15 |
| 8 | 2007 | Gregory Desautel | M 40-49 | 6:53:00 |
| 9 | 2013 | John Maas | M 50-59 | 6:55:42 |
| 10 | 2018 | Joshua Simkins | M 20-29 | 6:58:40 |
| 11 | 2016 | Cory Logsdon | M 20-29 | 6:58:49 |
| 12 | 2011 | John Maas | M 50-59 | 7:00:39 |
| 13 | 2010 | Jeremy Morris | M 30-39 | 7:05:50 |
| 14 | 2013 | Christy Nielsen | F 30-39 | 7:07:02 |
| 15 | 2008 | Ryan Loehding | M 30-39 | 7:08:00 |
| 16 | 2022 | Jill Wojta | F 40-49 | 7:08:12 |
| 17 | 2012 | Rob Semelroth | M 30-39 | 7:09:45 |
| 18 | 2015 | Kyle Gulseth | M 30-39 | 7:12:25 |
| 19 | 2015 | Eric Ferree | M 30-39 | 7:12:34 |
| 20 | 2019 | Tim Fryer | M 40-49 | 7:14:04 |
| 21 | 2021 | Austin Baade | M 20-29 | 7:16:58 |
| 22 | 2012 | Christy Nielsen | F 30-39 | 7:19:10 |
| 23 | 2016 | Neela D'Souza | F 30-39 | 7:21:05 |
| 24 | 2010 | Kathy Youngren | F 30-39 | 7:25:59 |
| 25 | 2017 | Jennifer Freeman | F 30-39 | 7:26:43 |
| 26 | 2009 | Helen Scotch | F 30-39 | 7:26:46 |
| 27 | 2018 | Michael Moriarty | M 30-39 | 7:32:05 |
| 28 | 2015 | Tim Fryer | M 30-39 | 7:32:42 |
| 29 | 2023 | Jessop Keene | M 30-39 | 7:35:01 |
| 30 | 2005 | Dave Braley | M 40-49 | 7:35:08 |
| 31 | 2021 | Charles Smith | M 40-49 | 7:44:46 |
| 32 | 2010 | Bud Lawrence | M 30-39 | 7:45:05 |
| 33 | 2014 | Adam Rood | M 30-39 | 7:46:54 |
| 34 | 2021 | Mike Bateman | M 50-59 | 7:48:07 |
| 35 | 2018 | Lauren Hendrix | F 30-39 | 7:50:19 |
| 36 | 2022 | Ryan Smith | M 30-39 | 7:52:05 |
| 37 | 2010 | Jeff Bollman | M 40-49 | 7:53:24 |
| 38 | 2012 | Sean Shaeffer | M 40-49 | 7:54:16 |
| 39 | 2010 | David Holmen | M 40-49 | 7:55:31 |
| 40 | 2023 | Clayton Birkes | M 20-29 | 7:57:31 |
| 41 | 2012 | Miguel Ordorica | M 40-49 | 7:58:07 |
| 42 | 2023 | Matt Marino | M 30-39 | 7:58:35 |
| 43 | 2010 | Patrick Moran | M 30-39 | 7:59:09 |
| 44 | 2006 | John Bernhisel | M 40-49 | 7:59:20 |
| 45 | 2019 | Patrick Carlin | M 30-39 | 8:03:25 |
| 46 | 2008 | Michael Hinterberg | M 20-29 | 8:07:29 |
| 47 | 2019 | Charles Smith | M 40-49 | 8:08:02 |
| 48 | 2008 | Robert Oswald | M 40-49 | 8:09:14 |
| 49 | 2011 | David Holmen | M 50-59 | 8:10:04 |
| 50 | 2023 | Ashley Schurman | F 40-49 | 8:10:04 |
| 51 | 2008 | Charles Wickersham | M 30-39 | 8:10:21 |
| 52 | 2012 | Johnathan Karol | M 30-39 | 8:15:32 |
| 53 | 2008 | Justin Snow | M 30-39 | 8:20:00 |
| 54 | 2023 | Brady Goyn | M 30-39 | 8:20:05 |
| 55 | 2012 | Peter Johnson | M 20-29 | 8:21:07 |
| 56 | 2014 | Neela D'Souza | F 30-39 | 8:22:20 |
| 57 | 2019 | Jon Hammett | M 40-49 | 8:24:07 |
| 58 | 2006 | J Russell Gill III | M 40-49 | 8:24:55 |
| 59 | 2019 | Kelly Hoover | F 30-39 | 8:25:20 |
| 60 | 2022 | Sally Walker | F 40-49 | 8:25:23 |
| 61 | 2015 | Troy Brooks | M 30-39 | 8:28:17 |
| 62 | 2006 | Heather Burcar | F 20-29 | 8:29:13 |
| 63 | 2013 | Dean Harris | M 50-59 | 8:30:00 |
| 64 | 2013 | Randy Pryor | M 30-39 | 8:31:35 |
| 65 | 2005 | Erin Watson | F 20-29 | 8:32:30 |
| 66 | 2019 | Amanda Rasmussen | F 30-39 | 8:33:44 |
| 67 | 2015 | Justin Walker | M 30-39 | 8:33:58 |
| 68 | 2005 | Kevin Osborn | M 40-49 | 8:34:00 |
| 69 | 2019 | Melissa Raguet-Schofield | F 40-49 | 8:34:09 |
| 70 | 2008 | Christopher Miller | M 20-29 | 8:35:56 |
| 71 | 2015 | Kelcy Brunner | F 20-29 | 8:36:16 |
| 72 | 2018 | Jeffery Jodoin | M 50-59 | 8:37:22 |
| 73 | 2007 | Taylor Schramm | M 30-39 | 8:38:00 |
| 74 | 2007 | Keith Happel | M 50-59 | 8:38:00 |
| 75 | 2021 | Alex Anderson | M 30-39 | 8:38:45 |
| 76 | 2008 | Jennifer Henderson | F 40-49 | 8:38:49 |
| 77 | 2012 | Jimmy Brown | M 40-49 | 8:38:51 |
| 78 | 2010 | Keith Happel | M 60-69 | 8:39:09 |
| 79 | 2006 | Thomas Burr | M 60-69 | 8:40:26 |
| 80 | 2023 | Alison Huppert | F 40-49 | 8:40:32 |
| 81 | 2006 | Stanette Way | F 40-49 | 8:41:15 |
| 82 | 2015 | Mark Dangerfield | M 60-69 | 8:42:20 |
| 83 | 2009 | Doug Sturmsmith | M 30-39 | 8:42:30 |
| 84 | 2016 | Mark Martinsen | M 50-59 | 8:44:00 |
| 85 | 2017 | Ryan Soule | M 20-29 | 8:44:04 |
| 86 | 2022 | Joshua Richardson | M 30-39 | 8:44:08 |
| 87 | 2015 | Brad Whitson | M 50-59 | 8:44:08 |
| 88 | 2009 | Matt Long | M 50-59 | 8:44:11 |
| 89 | 2013 | David Holmen | M 50-59 | 8:44:22 |
| 90 | 2019 | Luke Gaeta | M 40-49 | 8:45:21 |
| 91 | 2009 | Bill Johnston | M 50-59 | 8:46:05 |
| 92 | 2011 | Michael Trahan | M 20-29 | 8:46:42 |
| 93 | 2007 | Alene Nitzky | F 40-49 | 8:47:00 |
| 94 | 2015 | Scott Rassbach | M 40-49 | 8:48:01 |
| 95 | 2014 | Joseph Kilzer | M 40-49 | 8:48:34 |
| 96 | 2014 | Tom Lewis | M 40-49 | 8:48:34 |
| 97 | 2015 | Sarah Scozzaro | F 30-39 | 8:48:38 |
| 98 | 2015 | Janet Hausken | F 50-59 | 8:49:24 |
| 99 | 2022 | Cooper Mumford | M 20-29 | 8:50:21 |
| 100 | 2019 | Aaron Carr | M 40-49 | 8:50:23 |
