Denver Colfax Marathon

Denver, United States of America 18 May, 2025

Denver Colfax Marathon is Denver’s only marathon, held over two days in May. The event features a full marathon, half marathon, Urban 10 Miler, and marathon relay, making it accessible to runners of all levels. The course takes participants through iconic sites like Empower Field at Mile High and along scenic waterways. With its well-organized logistics and festive atmosphere, including a large post-race party with live music and food, this marathon is a must-do for those seeking a challenging yet enjoyable race experience amidst urban charm.

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Generic Marathon Time This represents the time you would expect to run a "generic" marathon in. This is a marathon with around 250 m (800 ft) of elevation gain and a temperature around 10°C (50°F). For best results, use our Race Predictor.

hours : minutes : seconds

Denver Colfax Marathon Time

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Statistics

Elevation
Elevation Gain	211 m	692 ft
Elevation Low	1576 m	5171 ft
Elevation High	1686 m	5531 ft
Weather
Expected Temperature (Low)	7°C	45°F
Expected Temperature (High)	23°C	73°F
Chance of Rain	55%

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Denver Colfax Marathon is Denver’s only marathon, held over two days in May. The event features a full marathon, half marathon, Urban 10 Miler, and marathon relay, making it accessible to runners of all levels. The course takes participants through iconic sites like Empower Field at Mile High and along scenic waterways. With its well-organized logistics and festive atmosphere, including a large post-race party with live music and food, this marathon is a must-do for those seeking a challenging yet enjoyable race experience amidst urban charm.