Piotr Chmielewski has 3 recorded races from Niles, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Sprint | 1:32:52 | 148 | |
| 2024-08-24 | 2024 Chicago Triathlon Sprint | 1:33:45 | 88 | |
| 2023-08-27 | 2023 Chicago Triathlon Sprint | 1:21:09 | 132 |