Nikolai Ursin has 2 recorded races from Miami Beach, Florida, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-01-28 | 2024 Life Time Miami Marathon & Half Half Marathon | Half Marathon | 2:27:45 | 7044 |
| 2023-01-28 | Life Time Miami Marathon & Half Half Marathon | Half Marathon | 3:03:03 | 10617 |