Event information

Colfax Marathon
May 18, 2025
Where
Denver, CO, United States
Start time
09:00
Distances
Marathon
Sub-events
Marathon
Race Results
Top 3
Top 3 Women
Top 3 Men
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Posted: May 23, 2022
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Training Tips
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Related News
Denver welcomed over 25,000 runners to the Mile High for the city’s largest running event of the year. The 19th Denver Colfax Marathon, presented by Cigna Healthcare, hosted eight races over the weekend with several event records broken and a historic number of runners. Athletes from around the world and all 50 states competed in the event, but Colorado runners swept the podium on race day.
General News
May 22, 2025
The 2025 Colfax Marathon on Sunday, May 18, is expected to have 25,000 participants in all distances.
General News endurance sportswire
May 15, 2025
A first look at the medals of the 2025 Colfax Marathon on May 18.
General News 9News
Jan 28, 2025
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