Tonya Chen has 2 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-09-24 | Life Time Chicago Half Marathon + 5K presented by HOKA | Half Marathon | 1:54:53 | 1566 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:26:02 | 1032 |