Siena Blelloch has 2 recorded races from Washington, DC, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 1:31:34 | 387 |
| 2025-03-15 | 2025 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 1:36:24 | 688 |