Riley Mech has 3 recorded races from Winnetka, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 2:46:27 | 482 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:10:57 | 1219 |
| 2024-05-19 | 2024 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 2:05:10 | 2002 |