Jascha Gumban has 6 recorded races from Chula Vista, CA, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-31 | 2026 Rock 'n' Roll San Diego Marathon | Marathon | 5:54:07 | 5778 |
| 2025-06-01 | 2025 Rock 'n' Roll San Diego Marathon | Marathon | 5:32:13 | 4485 |
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:50:10 | 8519 |
| 2024-06-02 | 2024 Rock 'n' Roll San Diego Marathon | Marathon | 4:44:55 | 3244 |
| 2024-01-14 | 2024 Rock 'n' Roll Arizona Half Marathon | Half Marathon | 2:09:40 | 2437 |
| 2023-06-04 | 2023 Rock 'n' Roll San Diego Marathon | Marathon | 5:58:26 | 3914 |