Jonathon Mass — Race Results
Jonathon Mass has 1 recorded race from Buffalo Grove, Illinois, US.
Personal Bests
Ultra Marathon: 2:55:51 (2025 Chicago Triathlon Olympic, 2025-08-23)
Race Results
Date
Race
Distance
Time
Overall
2025-08-23
2025 Chicago Triathlon Olympic
Ultra Marathon
2:55:51
833