Jeff Friesen has 4 recorded races from Boulder, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | Boulderthon 10K | 10K | 1:43:39 | 1865 |
| 2025-07-12 | 2025 Life Time Silver Rush Events Silver Rush 50 MTB | Ultra Marathon | 8:08:16 | 598 |
| 2025-06-28 | 2025 Life Time Leadville Trail Marathon & Heavy Half | Marathon | 7:26:54 | 515 |
| 2024-09-29 | Boulderthon 5K | 5K | 39:22 | 661 |