O'Brien Trail Races
O'Brien Trail Races Race Results
50 KM
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 09/20/25 | 37 | 4:20:43 | 3:58:24 |
| 09/21/24 | 43 | 4:15:12 | 3:40:45 |
| 09/16/23 | 42 | 5:05:14 | 4:06:10 |
| 09/17/22 | 35 | 4:30:17 | 4:11:27 |
| 09/18/21 | 27 | 4:38:54 | 4:10:05 |
| 09/20/20 | 27 | 5:11:07 | 3:16:51 |
50 Miles
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 09/17/22 | 2 | 8:38:32 | 11:53:05 |