Thomas Royston has 3 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Sprint | 2:09:32 | 1684 | |
| 2024-08-24 | 2024 Chicago Triathlon Sprint | 2:13:43 | 1355 | |
| 2023-08-27 | 2023 Chicago Triathlon Sprint | 1:51:33 | 1621 |