Aspen Valley Marathon

Aspen, United States of America · Saturday 25 July 2026

The Aspen Valley Marathon, held on July 19, 2025, in Basalt, Colorado, is a scenic event that takes runners through the heart of the Rocky Mountains. The course starts at Wagner Park in Aspen and finishes at Lions Park in Basalt, featuring a downhill profile that drops 1,418 feet over the first 20 miles. This makes it a fast and popular choice for runners seeking to qualify for the Boston Marathon.\n\nThe event includes a full marathon, half marathon, and 5K, making it accessible to runners of a

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Your Marathon Time

Adjusted Time

4:02:40

Moderate Difficulty

Time difference: +2.7 minutes compared to a flat, road, temperate course.

Course Details

Elevation Gain48m

Elevation High2420m

Elevation Low1985m

Weather Forecast

High28°C

Low15°C

Chance of Rain3%

Aspen Valley Marathon

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Course Details

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