Justin Hahn has 5 recorded races from Boulder, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-04 | 43rd Annual Brentwood Firecracker 5K 5K Run | 5K | 22:43 | 145 |
| 2025-09-28 | Boulderthon 5K | 5K | 28:54 | 359 |
| 2024-07-04 | 41st Annual Brentwood Firecracker 5K | 5K | 22:16 | 153 |
| 2023-07-04 | 40th Annual Brentwood Firecracker 5K | 5K | 23:08 | 198 |
| 2022-07-04 | 39th Annual Brentwood Firecracker 5K | 5K | 20:20 | 57 |