Joseph Plencner has 2 recorded races from Detroit, Michigan, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-06-15 | 2025 3D Motor City Triathlon Olympic Triathlon | Ultra Marathon | 2:55:29 | 57 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:11:27 | 1238 |