Marykate Stack has 4 recorded races from Washington, DC, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 2:14:32 | 6228 |
| 2025-03-15 | 2025 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 1:59:44 | 4107 |
| 2024-03-16 | 2024 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 2:06:53 | 5507 |
| 2023-03-18 | 2023 Rock 'n' Roll DC Half Marathon | Half Marathon | 2:07:27 | 4814 |