Jon Callahan has 3 recorded races from River Forest, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | 2025 Life Time Chicago Half Marathon + 5K | Half Marathon | 2:00:15 | 2270 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:15:35 | 518 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 2:50:16 | 520 |