Marika Diamond has 3 recorded races from Plymouth, Michigan, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-06-15 | 2025 3D Motor City Triathlon Sprint Triathlon | 1:47:06 | 74 | |
| TCS London Marathon 2025 | Marathon | 5:22:42 | 42336 | |
| TCS London Marathon 2024 | Marathon | 5:02:52 | 39465 |