Karthik Sundar has 4 recorded races from Petaluma, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-12 | Clo Cow Half Marathon 10K Run | 53:37 | 54 | |
| 2024-09-22 | Clo Cow Half Marathon 10K Run | 57:00 | 88 | |
| 2023-10-15 | Clo Cow Half Marathon 2023 10K | 10K | 1:12:25 | 201 |
| 2022-10-16 | Clo Cow Half Marathon 2022 10K | 10K | 1:38:30 | 295 |