Dominik Kowalczyk has 2 recorded races from Cupertino, CA, PL.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | 2025 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:03:46 | 1723 |
| 2022-10-09 | 2022 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:03:29 | 1486 |