David Gerritsen has 2 recorded races from Grand Blanc, Michigan, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-07 | 29th Annual Run Wild for the Detroit Zoo 2025 5K Run | 5K | 1:00:23 | 1366 |
| 2025-02-15 | Burton Kiwanis Hot Fudge Run & Walk 2025 5k Walk | 5K | 1:03:58 | 84 |