Olivia Hallam has 4 recorded races from West Yellowstone.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-06-12 | Vacation Races | Yellowstone Half & 5K Half Marathon | Half Marathon | 3:21:27 | 764 |
| 2025-05-17 | Famous Idaho Potato Marathon Half Marathon | Half Marathon | 2:36:24 | 641 |
| 2024-10-12 | Vacation Races | Lake Powell Half Marathon | Half Marathon | 2:35:07 | 381 |
| 2023-05-08 | Snohomish Women's Run Half Marathon | 2:22:14 | 264 |