Silverton Ultra Dirty
| Rank | Year | Name | Category | Result |
|---|---|---|---|---|
| 1 | 2021 | Dustin Johnson | M 30-39 | 27:07:01 |
| 2 | 2021 | Peter Lukes | M 50-59 | 28:05:57 |
| 3 | 2021 | Nicolas Cardwell | M 30-39 | 28:30:37 |
| 4 | 2021 | Gwendolyn Rudy | F 20-29 | 29:54:45 |
| 5 | 2021 | Alexander Arnis | M 20-29 | 31:52:12 |
| 6 | 2021 | Patrick Stewart | M 30-39 | 33:05:16 |
| 7 | 2021 | Adam Odoski | M 40-49 | 33:16:21 |
| 8 | 2021 | Dan Regelson | M 30-39 | 33:26:47 |
| 9 | 2021 | Karl Kamm | M 40-49 | 34:06:56 |
| 10 | 2021 | Kate Hale | F 20-29 | 35:36:50 |
| 11 | 2021 | Maya Ramsay | F 30-39 | 35:48:00 |
| 12 | 2021 | Joshua Drexler | M 40-49 | 35:50:21 |
| 13 | 2021 | Megan Sweeney | F 40-49 | 35:54:52 |
| 14 | 2021 | Jeremy Shlachter | M 30-39 | 36:40:44 |
| 15 | 2021 | Vince Green | M 40-49 | 37:20:03 |
| 16 | 2021 | Adam Trubow | M 40-49 | 37:54:03 |
| 17 | 2021 | Kris Hess | M 40-49 | 38:05:40 |
| 18 | 2021 | Cody Santelli | M 20-29 | 38:31:32 |
| 19 | 2021 | Amanda Simpson | F 50-59 | 38:46:52 |
| 20 | 2021 | Marianne Sammons | F 40-49 | 38:46:59 |
| 21 | 2021 | Erik Sorenson | M 30-39 | 39:04:16 |
| 22 | 2021 | Tsuyoshi Darby | M 30-39 | 39:11:57 |
| 23 | 2021 | Vishal Sahni | M 40-49 | 39:12:04 |
| 24 | 2021 | Alex Straub | M 30-39 | 39:30:32 |
| 25 | 2021 | Jacob Corley | M 30-39 | 39:34:32 |
| 26 | 2021 | Evolene Premillieu | F 30-39 | 39:52:47 |