Justin Koerner has 2 recorded races from Deerfield, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 2:37:59 | 189 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 2:30:00 | 105 |