Mark Niemann has 3 recorded races from Petaluma, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-09-22 | Clo Cow Half Marathon 5K Run | 30:01 | 112 | |
| 2023-10-15 | Clo Cow Half Marathon 2023 10K | 10K | 48:00 | 16 |
| 2022-10-16 | Clo Cow Half Marathon 2022 5K | 5K | 32:37 | 138 |