Udayan Tandon has 3 recorded races from San Diego, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-08-16 | America's Finest City Half Marathon & 5K | Half Marathon | 1:59:21 | 761 |
| 2026-03-22 | GOVX San Diego Half Marathon & 5K | Half Marathon | 1:55:33 | 794 |
| 2026-01-18 | Carlsbad Marathon, Half Marathon & 5K | Half Marathon | 1:47:30 | 566 |