Mary Gentner has 3 recorded races from Plainville, Connecticut, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-11 | Eversource Hartford Marathon Half Marathon | Half Marathon | 2:06:25 | 1792 |
| 2023-10-14 | Eversource Hartford Marathon 2023 Half Marathon | Half Marathon | 2:40:25 | 3083 |
| 2022-12-04 | Blue Back Mitten Run 5K | 5K | 32:52 | 705 |