William Robertson has 3 recorded races from Orangevale, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-06-14 | Rock Tahoe Half Marathon 2026 | Half Marathon | 2:32:55 | 791 |
| 2025-06-22 | Rock Tahoe Half Marathon | Half Marathon | 2:15:46 | 552 |
| 2022-06-18 | Rock Tahoe Half Marathon | Half Marathon | 2:01:21 | 249 |