Thomas O'Connor has 5 recorded races from Southampton, Massachusetts, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-11 | Eversource Hartford Marathon Half Marathon | Half Marathon | 2:08:09 | 1892 |
| 2025-04-13 | Schneider Electric Marathon de Paris 2025 — Schneider Electric Marathon de Paris | Marathon | 4:37:11 | 40644 |
| 2024-10-19 | Eversource Hartford Marathon Half Marathon | Half Marathon | 2:13:02 | 2271 |
| 2023-10-14 | Eversource Hartford Marathon 2023 Half Marathon | Half Marathon | 2:06:29 | 1671 |
| 2023-04-02 | Schneider Electric Marathon de Paris 2023 — Running 42.195km | Marathon | 3:53:48 | 21105 |