Karen West has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 4:42:10 | 34474 | |
| TCS London Marathon 2025 | Marathon | 4:07:22 | 19952 | |
| TCS London Marathon 2024 | Marathon | 4:19:16 | 26947 | |
| TCS London Marathon 2023 | Marathon | 3:52:00 | 15109 |