Stefan Kostas has 2 recorded races from Nashville, TN, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-04-23 | 2023 Rock 'n' Roll Nashville Half Marathon | Half Marathon | 2:55:42 | 9001 |
| 2022-04-23 | 2022 Rock 'n' Roll Nashville Half Marathon | Half Marathon | 2:11:09 | 2307 |