Stefan Brenner has 2 recorded races from Eagle, Colorado, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-10 | 2025 Life Time Leadville 10K presented by La Sportiva | 10K | 43:38 | 14 |
| 2025-07-12 | 2025 Life Time Silver Rush Events Silver Rush 50 Run | Ultra Marathon | 9:01:48 | 43 |