Gary Grierson has 3 recorded races from Sun Lakes, AZ, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-01-19 | 2025 Rock 'n' Roll Arizona 10k | 10K | 59:56 | 340 |
| 2024-01-14 | 2024 Rock 'n' Roll Arizona Half Marathon | Half Marathon | 1:55:23 | 1227 |
| 2023-01-15 | 2023 Rock 'n' Roll Arizona Half Marathon | Half Marathon | 1:52:27 | 836 |