The 2023 event has concluded.

Aspen Backcountry Marathon

Aspen, CO, USAAugust 5, 2023
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Race Day Weather

partly-cloudy-day
48°
75° high
Breezy
Dry

Cool start, warming quickly

Runners will face a temperature rise from 50°F at the start to a high of 75°F by the finish. With a light SW wind at 9 mph, humidity remains moderate at 46%. As temperatures increase, runners should consider adjusting their pace to avoid overheating, especially in the later miles.

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partly-cloudy-night8
partly-cloudy-day8
partly-cloudy-day9
partly-cloudy-day8
clear-day9
clear-day8
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Area Map

Course Map

FAQ

When is the 2023 Aspen Backcountry Marathon?

The 2023 Aspen Backcountry Marathon will be held on Saturday August 5, 2023.

Historical Weather

Based on 2 years of data
Avg Temp
76°F
L:49° H:76°
RunScore
8
Conditions
Rain Freq
0%
0 of 2 yrs
Wind7mph
Dew42°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2023
partly-cloudy-day
48°/75°-
8
2022
partly-cloudy-day
50°/77°-
8