Jocasta Marron has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2025 | Marathon | 4:32:37 | 27936 | |
| TCS London Marathon 2024 | Marathon | 4:40:41 | 33446 | |
| TCS London Marathon 2023 | Marathon | 5:30:44 | 41376 | |
| TCS London Marathon 2022 | Marathon | 5:57:07 | 36331 |