Stephen O'Byrne has 3 recorded races from Denver, Pennsylvania, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-04-12 | Coastal Delaware Running Festival Half Marathon | 1:47:19 | 193 | |
| 2026-04-12 | Coastal Delaware Running Festival 5K Run | 22:05 | 26 | |
| 2024-04-13 | Coastal Delaware Running Festival Marathon | 5:07:18 | 584 |