Booneville, IA
| Rank | Year | Name | Category | Time |
|---|---|---|---|---|
| 1 | 2017 | Mark Hammond | M 30-39 | 8:14:01 |
| 2 | 2017 | Scott Johnson | M 30-39 | 9:11:36 |
| 3 | 2017 | Mike Borst | M 50-59 | 9:50:28 |
| 4 | 2015 | Jeff Gregg | M 30-39 | 10:02:05 |
| 5 | 2021 | Chad Fridley | M 30-39 | 10:17:26 |
| 6 | 2017 | Aaron Wheelock | M 30-39 | 10:26:29 |
| 7 | 2015 | Jeff Williams | M 30-39 | 10:36:04 |
| 8 | 2015 | Timothy Hellhake | M 50-59 | 10:36:04 |
| 9 | 2014 | Daniel Mattingly | M 40-49 | 10:38:16 |
| 10 | 2017 | Amy Ewing | F 40-49 | 10:43:27 |
| 11 | 2015 | Daniel Mattingly | M 40-49 | 10:55:20 |
| 12 | 2020 | Seth Heerschap | M 20-29 | 10:56:05 |
| 13 | 2016 | Kyle Young | M 30-39 | 10:56:10 |
| 14 | 2016 | Mike Stout | M 20-29 | 11:02:14 |
| 15 | 2017 | Travis Jewell | M 30-39 | 11:06:58 |
| 16 | 2014 | Kevin Tiffany | M 30-39 | 11:13:28 |
| 17 | 2015 | Aaron Wheelock | M 30-39 | 11:21:21 |
| 18 | 2020 | Chad Fridley | M 30-39 | 11:26:06 |
| 19 | 2016 | Daniel Mattingly | M 40-49 | 11:35:07 |
| 20 | 2016 | Timothy Reilly | M 30-39 | 11:38:28 |
| 21 | 2016 | Jeffrey Matthews | M 30-39 | 11:46:12 |
| 22 | 2021 | Nic Chiri | M 30-39 | 11:49:11 |
| 23 | 2015 | Jeff Corcoran | M 40-49 | 11:49:47 |
| 24 | 2016 | Craig Duhn | M 40-49 | 11:50:04 |
| 25 | 2015 | Bryan Schlotterback | M 40-49 | 11:52:29 |
| 26 | 2014 | Trista Miller | F 20-29 | 11:54:04 |
| 27 | 2022 | John Seals | M 50-59 | 11:54:27 |
| 28 | 2015 | Mark Jedele | M 20-29 | 11:54:42 |
| 29 | 2015 | Joel Hubert | M 20-29 | 11:54:42 |
| 30 | 2021 | John Seals | M 50-59 | 11:55:56 |
| 31 | 2022 | Regan Stoops | M 40-49 | 11:56:44 |
| 32 | 2020 | Eric Larson | M 20-29 | 12:06:06 |
| 33 | 2021 | Ryan Kramer | M 40-49 | 12:11:20 |
| 34 | 2019 | Aaron Wheelock | M 30-39 | 12:14:34 |
| 35 | 2016 | Regan Stoops | M 30-39 | 12:17:57 |
| 36 | 2015 | Jeff Hager | M 50-59 | 12:18:07 |
| 37 | 2014 | Ron Baker | M 30-39 | 12:20:54 |
| 38 | 2016 | Brittany Fritch | F 30-39 | 12:25:55 |
| 39 | 2014 | Darren Fortney | M 40-49 | 12:29:55 |
| 40 | 2017 | Brian Beatty | M 50-59 | 12:38:10 |
| 41 | 2015 | Randy Clements | M 40-49 | 12:47:38 |
| 42 | 2014 | Stacie Latham | F 40-49 | 12:47:52 |
| 43 | 2021 | Robert Robinson | M 30-39 | 12:52:11 |
| 44 | 2016 | Jeff Corcoran | M 40-49 | 12:53:32 |
| 45 | 2015 | Craig Duhn | M 30-39 | 12:55:01 |
| 46 | 2014 | Tim Rypma | M 30-39 | 12:58:55 |
| 47 | 2017 | Ben Peterson | M 20-29 | 13:02:47 |
| 48 | 2016 | William McAlpine | M 40-49 | 13:03:06 |
| 49 | 2016 | Scott Little | M 30-39 | 13:03:06 |
| 50 | 2015 | Lawrence Dempsey | M 30-39 | 13:03:57 |
| 51 | 2022 | Jacob Gallagher | M 20-29 | 13:08:40 |
| 52 | 2017 | David Pullara | M 50-59 | 13:13:36 |
| 53 | 2015 | Teresa Verburg | F 50-59 | 13:16:24 |
| 54 | 2021 | Seth Meyne | M 20-29 | 13:19:11 |
| 55 | 2020 | Chris Ward | M 30-39 | 13:19:28 |
| 56 | 2021 | Andy Colbert | M 60-69 | 13:21:06 |
| 57 | 2020 | Jen Tischler | F 30-39 | 13:21:14 |
| 58 | 2022 | Cody Branstad | M 30-39 | 13:22:37 |
| 59 | 2023 | Jen Tischler | F 40-49 | 13:25:28 |
| 60 | 2019 | Leo Buzalsky | M 30-39 | 13:29:26 |
| 61 | 2014 | Clayton Lindemuth | M 40-49 | 13:33:36 |
| 62 | 2023 | Tyler Dose | M 40-49 | 13:34:29 |
| 63 | 2019 | Regan Stoops | M 30-39 | 13:35:35 |
| 64 | 2014 | Ryan Peterson | M 20-29 | 13:36:49 |
| 65 | 2014 | Troy Thompson | M 40-49 | 13:36:49 |
| 66 | 2014 | Adam Foley | M 30-39 | 13:36:50 |
| 67 | 2014 | Quinn Auten | M 40-49 | 13:36:52 |
| 68 | 2021 | Dylan Cooley | M 30-39 | 13:40:56 |
| 69 | 2020 | Lisamarie Fosdal-Griffin | F 50-59 | 13:42:37 |
| 70 | 2021 | Nathen Cox | M 40-49 | 13:42:56 |
| 71 | 2021 | William Hegwein | M 30-39 | 13:45:35 |
| 72 | 2023 | Jim Bethea | M 50-59 | 13:45:37 |
| 73 | 2018 | Matt Timmins | M 40-49 | 13:48:41 |
| 74 | 2018 | Lawrence Dempsey | M 30-39 | 13:48:47 |
| 75 | 2022 | Tucker Morrison | M 20-29 | 13:49:55 |
| 76 | 2014 | Mimi Ivancevic | F 30-39 | 13:51:22 |
| 77 | 2018 | Curt Johnston | M 40-49 | 14:04:57 |
| 78 | 2014 | Tim Smith | M 50-59 | 14:05:22 |
| 79 | 2016 | Danny Miller | M 30-39 | 14:09:18 |
| 80 | 2018 | Scott Little | M 30-39 | 14:17:49 |
| 81 | 2022 | David Pullara | M 50-59 | 14:18:27 |
| 82 | 2014 | Timothy Bergan | M 40-49 | 14:19:59 |
| 83 | 2017 | Casey Cunningham | M 20-29 | 14:21:56 |
| 84 | 2017 | William McAlpine | M 40-49 | 14:25:28 |
| 85 | 2022 | Ashley Shaw | F 30-39 | 14:25:43 |
| 86 | 2020 | William Hegwein | M 30-39 | 14:27:44 |
| 87 | 2015 | Harold Curioz | M 30-39 | 14:29:48 |
| 88 | 2015 | Curtis Pote | M 30-39 | 14:29:48 |
| 89 | 2017 | Paul Wiederholt | M 60-69 | 14:36:17 |
| 90 | 2023 | Ryan Kramer | M 40-49 | 14:42:07 |
| 91 | 2021 | David Pullara | M 50-59 | 14:47:25 |
| 92 | 2021 | Eric Buckley | M 50-59 | 14:49:09 |
| 93 | 2023 | Elizabeth Krupicka | F 20-29 | 14:51:07 |
| 94 | 2023 | Kim Bueno | F 40-49 | 14:55:40 |
| 95 | 2020 | Andy Colbert | M 60-69 | 14:58:24 |
| 96 | 2021 | Sean Clark | M 30-39 | 15:02:54 |
| 97 | 2018 | Regan Stoops | M 30-39 | 15:07:38 |
| 98 | 2020 | Gary Nichols | M 50-59 | 15:09:46 |
| 99 | 2018 | Tello Chavez | M 30-39 | 15:10:32 |
| 100 | 2020 | Derek Haas | M 30-39 | 15:11:08 |
