Jayson Gasper has 2 recorded races from Rancho Palos Verdes, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-11-18 | Griffith Park Trail Marathon Half Marathon Trail Run | 2:40:28 | 39 | |
| 2022-03-12 | Griffith Park Trail Marathon Trail Half Marathon | 2:15:33 | 12 |