Alistair Thomson has 5 recorded races from Washington, DC, GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 1:56:18 | 2934 |
| 2025-03-15 | 2025 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 1:54:56 | 3052 |
| 2024-03-16 | 2024 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 2:08:59 | 5908 |
| 2023-03-18 | 2023 Rock 'n' Roll DC Half Marathon | Half Marathon | 1:51:43 | 2153 |
| 2022-03-26 | 2022 Rock 'n' Roll DC Half Marathon | Half Marathon | 1:48:50 | 1254 |