Colorado Marathon

Fort Collins, CO, USAMay 3, 2026
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partly-cloudy-day Partly cloudy throughout the day.

Pace Calculator

Distance: 26.2mi
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Weather Adj
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Common Goals:

Welcome to the Colorado Marathon, one of the most stunning races in the country! This annual marathon is held in the verdant Poudre Canyon, nestled in the picturesque Rocky Mountains, just outside of the beautiful city of Fort Collins. Source

Area Map

Course Map

FAQ

When is the 2026 Colorado Marathon?

The 2026 Colorado Marathon will be held on Sunday May 3, 2026.

Is the Colorado Marathon a Boston Marathon Qualfier?

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

Historical Weather

Based on 18 years of data
Avg Temp
64°F
L:44°H:65°
RunScore
8
Conditions
Rain Freq
11%
2 of 18 yrs
Wind10mph
Dew32°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
43°/75°-
8
2024
clear-day
40°/60°-
9
2023
partly-cloudy-day
48°/67°Light
8
2022
clear-day
39°/64°-
8
2021
clear-night
39°/67°-
8
2019
clear-day
50°/72°-
9
2018
clear-day
50°/74°-
8
2017
clear-day
54°/82°-
8
2016
rain
35°/43°Light
7
2015
clear-day
47°/75°-
8
2014
clear-day
50°/83°-
8
2013
clear-day
36°/59°-
8
2012
clear-day
48°/60°-
8
2011
clear-day
36°/51°-
8
2010
cloudy
48°/63°-
9
2009
partly-cloudy-day
43°/55°-
8
2008
clear-day
44°/67°-
9
2007
cloudy
39°/53°-
8