Brendan Halligan has 4 recorded races from Duxbury, MA, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 2:45:52 | 10318 |
| 2024-03-16 | 2024 Rock 'n' Roll Washington DC Half Marathon | Half Marathon | 2:45:53 | 10965 |
| 2023-04-23 | 2023 Rock 'n' Roll Nashville Half Marathon | Half Marathon | 2:37:01 | 7430 |
| 2022-04-23 | 2022 Rock 'n' Roll Nashville Half Marathon | Half Marathon | 2:36:01 | 5033 |