Colin Knowles has 3 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | 2025 Life Time Chicago Half Marathon + 5K | Half Marathon | 1:58:17 | 2020 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:30:58 | 1316 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 3:41:00 | 2007 |