Aspen Valley Marathon

Basalt, CO, USA · July 25, 2026
partly-cloudy-day54°·87° high·Light·Dry
8
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Race Day Weather

partly-cloudy-day
54°at start
88° high
Breezy
Dry

Cool start, warming sharply

Runners will face a temperature rise from 54°F at the start to a peak of 87°F, with a gentle breeze from the SE at 7 mph. Humidity is relatively low at 40%, allowing for a comfortable run initially. As temperatures climb, runners should adjust their pace and stay hydrated to maintain performance.

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Race Info

Area Map

Course Map

FAQ

When is the 2026 Aspen Valley Marathon?

The 2026 Aspen Valley Marathon will be held on Saturday July 25, 2026.

Is the Aspen Valley Marathon a Boston Marathon Qualifier?

Yes, the Aspen Valley Marathon is an official Boston Marathon qualifier.

What is the time limit for the Aspen Valley Marathon?

The time limit for the Aspen Valley Marathon is 7 hours.

What will the weather be like for the 2026 Aspen Valley Marathon?

The forecast calls for a high of 88°F and a low of 54°F with a 10% chance of rain.

Historical Weather

Based on 14 years of data
Avg Temp
77°F
L:50° H:78°
RunScore
8
Conditions
Rain Freq
7%
1 of 14 yrs
Wind8mph
Dew38°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
rain
54°/78°Light
8
2024
clear-day
53°/88°-
8
2023
clear-day
49°/80°-
8
2022
clear-day
53°/78°-
8
2021
clear-night
21°/50°-
7
2019
clear-day
50°/85°-
8
2018
clear-day
59°/86°-
8
2017
clear-day
50°/80°-
8
2016
clear-day
50°/84°-
8
2015
clear-day
51°/76°-
8
2014
clear-day
51°/81°-
8
2013
clear-day
51°/82°-
8
2012
partly-cloudy-day
54°/72°-
8
2011
partly-cloudy-day
51°/68°-
8