Sabrina O'Brien has 3 recorded races from Boulder, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-14 | YMCA St. Patrick's Day Run 1 Mile | 1 Mile | 12:31 | 137 |
| 2025-09-28 | Boulderthon Marathon | Marathon | 4:50:01 | 1244 |
| 2023-02-04 | 2023 Mesa Marathon | Marathon | 3:57:51 | 900 |