Michael Kosko has 4 recorded races from CHICAGO, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:38:45 | 2142 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:25:33 | 1656 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:51:23 | 2084 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 3:19:36 | 1510 |