Thomas O'brien has 2 recorded races from Virginia Beach, Virginia, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Yuengling Shamrock Marathon Weekend 8K | 04:32 | 1 | |
| 2025-03-15 | 2025 Yuengling Shamrock Marathon Weekend Half Marathon | Half Marathon | 2:24:11 | 3239 |