Irene Tseng has 3 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:17:39 | 1643 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:35:16 | 1891 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:39:19 | 1667 |