Jason Umansky has 2 recorded races from California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-12-07 | Los Angeles Spartan Event Weekend - Sprint Sprint Competitive | 53:04 | 57 | |
| 2022-12-10 | Los Angeles Spartan Event Weekend - Saturday Sprint Sprint Open | 1:01:48 | 92 |