Gretchen Collazo has 2 recorded races from Hialeah, Florida, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-01 | 2026 Life Time 305 Half Marathon & 5K Pres by Baptist Health 305K | 5K | 39:10 | 999 |
| 2025-11-27 | 2025 Life Time Turkey Trot Miami 5K/10K & Kids Race | 5K | 39:29 | 2197 |