United States
Aug
2
Saturday
Boulder Rez Marathon
The Boulder Rez Marathon will take place in Boulder on Saturday 2 August 2025. You can run between 10 and 26 miles. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
26 mi
Marathon
26 mi
Marathon Relay
31 km
3/4 Marathon
13 mi
Half Marathon
10 km
10k
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