Larkspur, CO
| Rank | Year | Name | Category | Time |
|---|---|---|---|---|
| 1 | 2014 | Alex Nichols | M 20-29 | 3:13:37 |
| 2 | 2015 | Peter Maksimow | M 30-39 | 3:18:55 |
| 3 | 2014 | Peter Maksimow | M 30-39 | 3:20:00 |
| 4 | 2018 | Joseph Gray | M 30-39 | 3:20:22 |
| 5 | 2013 | Peter Maksimow | M 30-39 | 3:21:11 |
| 6 | 2012 | Peter Maksimow | M 30-39 | 3:22:09 |
| 7 | 2008 | Justin Ricks | M 20-29 | 3:23:11 |
| 8 | 2013 | Brad Seng | M 40-49 | 3:25:09 |
| 9 | 2011 | Peter Maksimow | M 30-39 | 3:25:12 |
| 10 | 2006 | Charlie Kelly | M 20-29 | 3:37:36 |
| 11 | 2021 | Anthony Bruns | M 40-49 | 3:38:34 |
| 12 | 2005 | Tim Geldean | M 30-39 | 3:39:49 |
| 13 | 2015 | Hayley Benson | F 30-39 | 3:41:31 |
| 14 | 2008 | Johannes Rudolph | M 40-49 | 3:42:33 |
| 15 | 2012 | Bill Fanselow | M 40-49 | 3:42:37 |
| 16 | 2007 | Johannes Rudolph | M 40-49 | 3:43:36 |
| 17 | 2006 | Tim Geldean | M 30-39 | 3:44:08 |
| 18 | 2019 | Joey Bender | M 20-29 | 3:45:30 |
| 19 | 2012 | Craig Schmidt | M 20-29 | 3:45:50 |
| 20 | 2019 | Jake Littlehales | M 20-29 | 3:46:20 |
| 21 | 2013 | Jay Meservy | M 20-29 | 3:46:21 |
| 22 | 2006 | Brian Fisher | M 40-49 | 3:46:25 |
| 23 | 2014 | Scott Howell | M 30-39 | 3:46:30 |
| 24 | 2019 | Patrick Cole | M 30-39 | 3:48:39 |
| 25 | 2006 | Henk Moorlag | M 40-49 | 3:49:06 |
| 26 | 2020 | Matt Taverner | M 30-39 | 3:49:06 |
| 27 | 2006 | Rick Hessek | M 40-49 | 3:49:31 |
| 28 | 2015 | Christopher Gregory | M 30-39 | 3:50:31 |
| 29 | 2006 | Jeffrey Beuche | M 30-39 | 3:50:37 |
| 30 | 2017 | Ian O'Brien | M 20-29 | 3:50:37 |
| 31 | 2007 | Henk Moorlag | M 40-49 | 3:51:21 |
| 32 | 2012 | Kerrie Bruxvoort | F 30-39 | 3:51:27 |
| 33 | 2011 | Mark Mobley | M 40-49 | 3:51:47 |
| 34 | 2009 | Charlie Kelly | M 30-39 | 3:51:56 |
| 35 | 2021 | Andrew Wien | M 30-39 | 3:52:13 |
| 36 | 2010 | Jared Scott | M 30-39 | 3:52:15 |
| 37 | 2011 | Jared Scott | M 40-49 | 3:52:31 |
| 38 | 2005 | Scott Jaime | M 30-39 | 3:52:44 |
| 39 | 2018 | Scott Swaney | M 40-49 | 3:52:50 |
| 40 | 2013 | Jeremy Bradford | M 30-39 | 3:52:55 |
| 41 | 2005 | Jason Ostrom | M 20-29 | 3:53:26 |
| 42 | 2013 | Max Fulton | M 30-39 | 3:53:29 |
| 43 | 2013 | Scott Swaney | M 40-49 | 3:54:24 |
| 44 | 2023 | Matthieu Caldwell | M 30-39 | 3:54:44 |
| 45 | 2013 | Ryan Krol | M 20-29 | 3:55:03 |
| 46 | 2010 | Hendrik Moorlag | M 40-49 | 3:55:15 |
| 47 | 2014 | Scott Swaney | M 40-49 | 3:55:20 |
| 48 | 2007 | Jeffrey Beuche | M 30-39 | 3:55:23 |
| 49 | 2020 | Scott Swaney | M 50-59 | 3:55:54 |
| 50 | 2015 | Scott Swaney | M 40-49 | 3:55:58 |
| 51 | 2021 | Shawn Jakubowski | M 30-39 | 3:56:46 |
| 52 | 2015 | Scott Howell | M 30-39 | 3:57:09 |
| 53 | 2011 | Michael Trahan | M 20-29 | 3:57:16 |
| 54 | 2012 | Brad Poppele | M 40-49 | 3:58:03 |
| 55 | 2008 | Jeffrey Beuche | M 30-39 | 3:58:08 |
| 56 | 2006 | Jason Ostrom | M 30-39 | 3:58:16 |
| 57 | 2005 | Brian Fisher | M 30-39 | 3:59:10 |
| 58 | 2017 | Lillie Romeiser | F 30-39 | 3:59:21 |
| 59 | 2009 | Hendrik Moorlag | M 40-49 | 3:59:34 |
| 60 | 2017 | Colleen De Reuck Reuck | F 50-59 | 3:59:34 |
| 61 | 2014 | Raymond Laws | M 20-29 | 3:59:37 |
| 62 | 2015 | Mike Mazzarese | M 30-39 | 3:59:45 |
| 63 | 2012 | Jason Romero | M 40-49 | 4:01:10 |
| 64 | 2014 | Max Fulton | M 30-39 | 4:01:13 |
| 65 | 2022 | Giff Walters | M 30-39 | 4:01:50 |
| 66 | 2005 | Rick Hessek | M 30-39 | 4:02:16 |
| 67 | 2017 | Michael Robbert | M 40-49 | 4:02:43 |
| 68 | 2018 | Evan Kimber | M 40-49 | 4:03:02 |
| 69 | 2006 | Joshua Mietz | M 20-29 | 4:03:15 |
| 70 | 2008 | Ryan Cooper | M 30-39 | 4:03:15 |
| 71 | 2013 | Rick Scott | M 40-49 | 4:03:20 |
| 72 | 2011 | Melanie Fryar | F 30-39 | 4:03:33 |
| 73 | 2023 | Caleb Palmer | M 30-39 | 4:03:41 |
| 74 | 2021 | Pat Casterline | M 30-39 | 4:03:53 |
| 75 | 2005 | Garett Graubins | M 30-39 | 4:04:19 |
| 76 | 2019 | Scott Mehring | M 20-29 | 4:05:15 |
| 77 | 2020 | Graham Shalvoy | M 30-39 | 4:06:03 |
| 78 | 2018 | Michael Robbert | M 40-49 | 4:06:33 |
| 79 | 2023 | Scott Swaney | M 50-59 | 4:06:43 |
| 80 | 2007 | Harry Harcrow | M 30-39 | 4:06:55 |
| 81 | 2013 | Elizabeth Gold | F 40-49 | 4:07:26 |
| 82 | 2022 | Scott Swaney | M 50-59 | 4:09:21 |
| 83 | 2005 | Joseph Kulak | M 30-39 | 4:09:29 |
| 84 | 2013 | Stephen Castle | M 20-29 | 4:09:33 |
| 85 | 2017 | Matthew Curtis | M 40-49 | 4:09:46 |
| 86 | 2010 | Jason Romero | M 40-49 | 4:09:54 |
| 87 | 2015 | Daniel Thurnhoffer | M 20-29 | 4:10:08 |
| 88 | 2012 | Patrick Garcia | M 20-29 | 4:10:45 |
| 89 | 2010 | Nk Martin | M 40-49 | 4:11:04 |
| 90 | 2018 | Andy Sivanich | M 30-39 | 4:11:47 |
| 91 | 2009 | Rick Mick | M 20-29 | 4:11:51 |
| 92 | 2021 | Spencer Tweed | M 30-39 | 4:11:53 |
| 93 | 2019 | Mark Ryan | M 50-59 | 4:11:57 |
| 94 | 2012 | Matthew Curtis | M 30-39 | 4:12:33 |
| 95 | 2014 | Mark Martin-Williams | M 40-49 | 4:12:54 |
| 96 | 2006 | Todd Kennedy | M 30-39 | 4:12:55 |
| 97 | 2011 | Tony Stafford | M 30-39 | 4:13:33 |
| 98 | 2017 | Andrew Sivanich | M 30-39 | 4:13:55 |
| 99 | 2012 | Scott Swaney | M 40-49 | 4:14:19 |
| 100 | 2014 | Scott Kretzmann | M 20-29 | 4:14:20 |
