Sandra Guillermo has 3 recorded races from BETHESDA, MD, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-03-16 | 2024 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 2:50:03 | 11237 |
| 2023-03-18 | 2023 Rock 'n' Roll DC Half Marathon | Half Marathon | 2:36:38 | 8432 |
| 2022-03-26 | 2022 Rock 'n' Roll DC Half Marathon | Half Marathon | 2:45:47 | 6326 |