Mackenzie Coster has 2 recorded races from Greenville, SC, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-04-26 | 2025 Rock 'n' Roll Nashville Half Marathon | Half Marathon | 2:33:22 | 6989 |
| 2023-04-23 | 2023 Rock 'n' Roll Nashville Half Marathon | Half Marathon | 2:13:07 | 4397 |