Mariana Esparza has 3 recorded races from Southern California.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-12-13 | Ontario 5K Reindeer Run | 5K | 47:32 | 1177 |
| 2025-11-08 | 2025 REVEL Big Bear Half Marathon | Half Marathon | 2:18:12 | 1227 |
| 2022-11-12 | 2022 REVEL Big Bear Half Marathon | Half Marathon | 2:29:30 | 958 |