David Karel has 4 recorded races from Palo Alto, CA, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | 2025 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:26:39 | 2942 |
| 2024-10-06 | 2024 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:11:31 | 1955 |
| 2023-09-30 | 2023 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:11:41 | 2544 |
| 2022-10-09 | 2022 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:06:53 | 1655 |