Jeffrey Prosperi has 4 recorded races from Plainville, Connecticut, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-15 | O'Hartford 5K &10K | 5K | 31:29 | 335 |
| 2025-03-16 | O'Hartford 5K &10K | 5K | 29:42 | 245 |
| 2024-03-17 | O'Hartford 5K &10K | 5K | 28:43 | 231 |
| 2022-03-20 | O'Hartford 5K | 5K | 28:25 | 249 |