Jack Brzozowski has 2 recorded races from Waltham, Massachusetts, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-10-12 | SouthCoast Wind Cape Cod Marathon Weekend Half Marathon | 1:42:01 | 111 | |
| 2023-04-29 | Tri-State New Jersey Spartan Trifecta Weekend - Super Super Open | 2:39:30 | 144 |