Jack Lenihan has 2 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:17:30 | 1637 |
| 2024-05-19 | 2024 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 2:05:34 | 2029 |