Brian Karhu has 2 recorded races from Monument, Colorado, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-08-11 | 2024 Life Time Leadville 10K presented by La Sportiva | 10K | 1:11:56 | 465 |
| 2023-08-13 | 2023 Life Time Leadville 10K presented by La Sportiva | 10K | 1:06:04 | 295 |