The 2024 event has concluded.

Colfax Marathon

Denver, CO, USAMay 19, 2024

partly-cloudy-day Partly cloudy throughout the day.

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The Colfax Marathon (previously known as the Colorado Colfax Marathon) is an annual marathon foot-race held in Colorado, United States, since 2006. Significant portions of the course follow Colfax Avenue. Wikipedia

Area Map

Course Maps

FAQ

When is the 2024 Colfax Marathon?

The 2024 Colfax Marathon will be held on Sunday May 19, 2024.

Is the Colfax Marathon a Boston Marathon Qualfier?

Yes, the Colfax Marathon is an official Boston Marathon qualifier.

Community

Historical Weather

RunScore
Run Score: 8
Temp
66°F
Min/Max
45°/66°F
Dew
32°F
Days of Rain
1/17
Wind
9mph
Tap a row for details.
YearConditionsLow / HighRainRunScore
2023
partly-cloudy-day
51°/ 71°-
Run Score: 8
2022
partly-cloudy-day
55°/ 72°-
Run Score: 8
2021
clear-night
35°/ 69°-
Run Score: 9
2019
cloudy
37°/ 58°-
Run Score: 8
2018
cloudy
42°/ 55°-
Run Score: 8
2017
partly-cloudy-day
45°/ 63°-
Run Score: 9
2016
cloudy
41°/ 58°-
Run Score: 8
2015
partly-cloudy-day
46°/ 63°-
Run Score: 8
2014
partly-cloudy-day
50°/ 80°-
Run Score: 8
2013
partly-cloudy-day
51°/ 66°-
Run Score: 9
2012
partly-cloudy-day
47°/ 72°-
Run Score: 9
2011
rain
34°/ 44°Light
Run Score: 7
2010
partly-cloudy-day
41°/ 62°-
Run Score: 8
2009
partly-cloudy-day
50°/ 76°-
Run Score: 9
2008
partly-cloudy-day
53°/ 81°-
Run Score: 8
2007
partly-cloudy-day
55°/ 75°-
Run Score: 8
2006
clear-day
36°/ 63°-
Run Score: 8