Brent Koch has 3 recorded races from Livermore, CA, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-06-01 | 2025 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 2:16:12 | 8074 |
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:15:14 | 4058 |
| 2023-06-04 | 2023 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 2:22:22 | 7690 |