Antonio Rivas has 3 recorded races from San Francisco, CA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-26 | San Francisco Ultramarathon Marathon Lap 2 | Marathon | 3:57:28 | 14 |
| 2026-07-26 | San Francisco Ultramarathon | Ultra Marathon | 8:08:53 | 23 |
| 2026-07-25 | San Francisco Ultramarathon Marathon Lap 1 | Marathon | 4:11:26 | 38 |