Brian Marx has 2 recorded races from SILVER SPRING, MD, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-03-16 | 2024 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 2:29:52 | 9357 |
| 2023-03-18 | 2023 Rock 'n' Roll DC Half Marathon | Half Marathon | 2:02:58 | 4063 |