Denver Colfax Marathon

Sunday, May 17, 2026

Denver, Colorado

Race Day

Sunday, May 17, 2026

Course

Loop

Also Offers

26.2M10M run | 26.2M relay

Registration

Race Website

Official race information

☀

Avg High

72°F

☽

Avg Low

45°F

☂

Precip

0.1 in

🍃

Wind

11.7 mph

56% humidity·Based on 5-year historical data

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APR 5

Three Creeks Half Marathon

APR 11

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Race Day

Sunday, May 17, 2026

Course

Loop

Also Offers

26.2M10M run | 26.2M relay

Registration

Race Website

Official race information