Jeff Koster — Race Results
Jeff Koster has 1 recorded race from Boerne, Texas, US.
Personal Bests
Marathon: 4:11:39 (Galveston Marathon & Half Marathon, 2026-02-01)
Race Results
Date
Race
Distance
Time
Overall
2026-02-01
Galveston Marathon & Half Marathon
Marathon
4:11:39
80