Duncan Gray has 4 recorded races from Sunnyside, New York, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-11 | Eversource Hartford Marathon Half Marathon | Half Marathon | 2:05:21 | 1717 |
| 2024-10-19 | Eversource Hartford Marathon Half Marathon | Half Marathon | 1:56:44 | 1242 |
| BMW Berlin Marathon 2025 | Marathon | 5:06:51 | 25612 | |
| TCS London Marathon 2023 | Marathon | 3:04:31 | 3570 |