Jack O'Callaghan has 5 recorded races from South Glastonbury, Connecticut, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-06-25 | Riverfront Hartford 5K | 5K | 38:43 | 394 |
| Bank of America Chicago Marathon 2025 | Marathon | 2:45:52 | 1328 | |
| Bank of America Chicago Marathon 2024 | Marathon | 2:45:52 | 1328 | |
| Bank of America Chicago Marathon 2023 | Marathon | 2:45:52 | 1328 | |
| Bank of America Chicago Marathon 2022 | Marathon | 2:45:52 | 1328 |