Marco Tanzi has 4 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Sprint | 2:32:32 | 2189 | |
| 2024-08-24 | 2024 Chicago Triathlon Sprint | 2:31:27 | 1777 | |
| 2023-08-27 | 2023 Chicago Triathlon Sprint | 2:00:44 | 1877 | |
| 2022-08-28 | 2022 Chicago Triathlon Sprint - Individual | 2:42:02 | 1863 |