Karen Nilsen has 4 recorded races from Estes Park, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-08-01 | Vacation Races | Rocky Mountain Half Half Marathon | Half Marathon | 2:26:45 | 362 |
| 2026-02-28 | Vacation Races | Zion Half Marathon | Half Marathon | 2:22:00 | 468 |
| 2025-07-18 | Mount Rainier Half & 5K Half Marathon | Half Marathon | 3:10:10 | 541 |
| 2023-06-10 | 2023 Sound to Narrows 12K Run | 1:13:37 | 656 |