Denver Colfax Marathon
MAY
17
2026
Marathon
26 miles
Half Marathon
10 miles
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About the race
The Denver Colfax Marathon will take place in Denver on Sunday 17 May 2026. You can run between 10 and 42 kilometers. Visit the organization's website for the most recent information.
Marathon
Marathon
26 mi
Marathon Relay – Corporate
26 mi
Marathon Relay – Government
26 mi
Marathon Relay – Open
Half Marathon
Half Marathon
10 mi
Urban 10 Miler
