Colorado Marathon
Fort Collins, CO, USA • May 3, 2026
Race Day Weather
42°
64° high
Breezy
Dry
Cool conditions, potential for speed
Runners will face a temperature rising from 43°F to 64°F, with a steady breeze from the S at 10 mph. Humidity will remain moderate at 53%, ensuring comfortable conditions. With no chance of rain, athletes can maintain a consistent pace, but should stay mindful of the wind gusts and plan hydration accordingly.
Race day forecast available in 37 days
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Distance: 26.2mi
0:00:00
HH:MM:SS
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
Historical Weather
Based on 18 years of data
Avg Temp
64°F
L:44° H:65°
RunScore
Conditions
Rain Freq
11%
2 of 18 yrs
Wind10mph
Dew32°F
Temperature History
Range of temperatures during race hours for each year.
