Sierra Jasper has 4 recorded races from California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-12-07 | Los Angeles Spartan Event Weekend - Sprint Sprint Competitive | 1:23:37 | 172 | |
| 2023-12-02 | Los Angeles Spartan Event Weekend - Sprint Sprint Open | 1:25:48 | 658 | |
| 2022-12-11 | Los Angeles Spartan Event Weekend - Sunday Sprint Sprint Open | 1:12:32 | 153 | |
| 2022-05-15 | Big Bear Spartan Trifecta Weekend - Sunday Sunday Sprint Open 5K | 1:40:16 | 360 |