Gregorio Nieves has 2 recorded races from Tijuana, BCN, MX.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-31 | 2026 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 2:37:03 | 12504 |
| 2024-06-02 | 2024 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 2:14:52 | 7351 |