William Kostreski — Race Results
William Kostreski has 1 recorded race from Silver spring, MD, ES.
Personal Bests
Half Marathon: 2:49:30 (2025 Rock 'n' Roll Washington DC Half Marathon, 2025-03-15)
Race Results
Date
Race
Distance
Time
Overall
2025-03-15
2025 Rock 'n' Roll Washington DC Half Marathon
Half Marathon
2:49:30
10823