Jason Kosowski — Race Results
Jason Kosowski has 2 recorded races from OAK BROOK, Illinois, US.
Personal Bests
Ultra Marathon: 3:19:27 (2025 Chicago Triathlon Olympic, 2025-08-23)
Race Results
Date
Race
Distance
Time
Overall
2025-08-23
2025 Chicago Triathlon Olympic
Ultra Marathon
3:19:27
1703
2024-08-24
2024 Chicago Triathlon International
Ultra Marathon
3:49:07
2129