Marianne Mitchell has 6 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 3:36:58 | 11861 | |
| TCS London Marathon 2025 | Marathon | 3:37:57 | 10807 | |
| TCS London Marathon 2024 | Marathon | 3:27:34 | 9373 | |
| BMW Berlin Marathon 2024 | Marathon | 3:30:54 | 2152 | |
| TCS London Marathon 2023 | Marathon | 3:32:35 | 9301 | |
| TCS London Marathon 2022 | Marathon | 3:31:58 | 6090 |