Robert Marple has 4 recorded races from PRNC FREDERCK, MD, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-03-15 | 2025 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 3:24:41 | 12022 |
| 2024-03-16 | 2024 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 3:18:28 | 12335 |
| 2023-03-18 | 2023 Rock 'n' Roll DC Half Marathon | Half Marathon | 3:14:35 | 10139 |
| 2022-03-26 | 2022 Rock 'n' Roll DC Half Marathon | Half Marathon | 3:08:23 | 7032 |