Michael Grandstaff has 3 recorded races from Indio, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-14 | Shamrock'n Weekend Half Marathon | 1:44:07 | 403 | |
| 2024-03-17 | Shamrock'n Half Marathon 2024 | Half Marathon | 1:38:56 | 171 |
| 2023-09-30 | Urban Cow Half Marathon 2023 5K | 5K | 21:12 | 44 |