Colorado Marathon
Fort Collins, CO, USA · May 3, 2026
Race Day Weather
46°at start
75° high
Breezy
Dry
Cool start, warm finish
Runners will face a start temperature of 40°F, gradually rising to a warm 72°F by the finish. Wind will be a light tailwind of 10 mph for most of the race, but expect crosswinds at critical segments around Mile 11 and 13. Given the rising temperatures, runners should pace conservatively in the early miles and stay hydrated as they navigate the rolling terrain.
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Distance: 26.2mi
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Race Plan
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Race Conditions
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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 Qualifier?
Yes, the Colorado Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Colorado Marathon?
The forecast calls for a high of 75°F and a low of 41°F with a 17% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
