Arnold Coburn has 2 recorded races from Key Biscayne, Florida, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-01-28 | Life Time Miami Marathon & Half Half Marathon | Half Marathon | 1:55:27 | 2046 |
| 2022-02-06 | Life Time Miami Marathon & Half Marathon | Half Marathon | 1:51:39 | 1410 |