Dee Blackmer has 3 recorded races from Groton, Connecticut, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-05-18 | Mystic Half Marathon & 10K | Half Marathon | 1:28:15 | 21 |
| 2024-05-19 | Mystic Half Marathon & 10K | Half Marathon | 1:55:52 | 261 |
| 2023-05-21 | Mystic Half Marathon & 10K | 10K | 50:44 | 77 |