Jonathan Koestler — Race Results
Jonathan Koestler has 1 recorded race from Eau Claire, Wisconsin, US.
Personal Bests
Ultra Marathon: 7:49:31 (Superior Spring Trail Races 2026 50K, 2026-05-16)
Race Results
Date
Race
Distance
Time
Overall
2026-05-16
Superior Spring Trail Races 2026 50K
Ultra Marathon
7:49:31
172