Rhys Thomas has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 2:59:11 | 3108 | |
| BMW Berlin Marathon 2024 | Marathon | 3:03:18 | 4682 | |
| TCS London Marathon 2024 | Marathon | 2:57:32 | 2976 | |
| TCS London Marathon 2023 | Marathon | 3:27:09 | 7749 |