Tanya Usher has 5 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 3:50:17 | 16435 | |
| TCS London Marathon 2025 | Marathon | 3:45:23 | 12991 | |
| TCS London Marathon 2023 | Marathon | 3:26:33 | 7591 | |
| TCS London Marathon 2022 | Marathon | 3:23:27 | 4529 |