Collin Ritchie — Race Results
Collin Ritchie has 2 recorded races from Boulder, CO.
Personal Bests
Half Marathon: 1:57:58 (Boulderthon Half Marathon, 2025-09-28)
Marathon: 2:49:14 (TCS London Marathon 2024)
Race Results
Date
Race
Distance
Time
Overall
2025-09-28
Boulderthon Half Marathon
Half Marathon
1:57:58
1489
TCS London Marathon 2024
Marathon
2:49:14
1669