Mark Lakowske has 4 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:10:25 | 1370 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:16:30 | 1411 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:38:13 | 1622 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 3:24:36 | 1663 |