Mark Simons has 4 recorded races from CHICAGO, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Sprint | 1:38:48 | 286 | |
| 2024-08-24 | 2024 Chicago Triathlon Sprint | 1:48:33 | 390 | |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 3:10:52 | 2413 |
| 2022-08-28 | 2022 Chicago Triathlon Sprint - Individual | 2:13:42 | 1369 |