Koki Yamaguchi — Race Results
Koki Yamaguchi has 1 recorded race from Herndon, VA, US.
Personal Bests
Half Marathon: 1:45:06 (2026 Rock 'n' Roll Washington DC Half Marathon, 2026-03-21)
Race Results
Date
Race
Distance
Time
Overall
2026-03-21
2026 Rock 'n' Roll Washington DC Half Marathon
Half Marathon
1:45:06
1394