Aspen Valley Half Marathon

Aspen, United States of America 19 Jul, 2025

The Aspen Valley Marathon is a high-altitude running adventure, set against the backdrop of the stunning Rocky Mountains. Although primarily known for its full marathon, the half marathon follows the same breathtaking route, featuring fast, paved roads surrounded by endless mountain vistas.

The slight downhill course makes it a potential PR opportunity, but the thin mountain air presents a unique challenge for those not accustomed to elevation. Despite this, the race’s pristine natural beauty, smooth organization, and welcoming running community make it a must-run for those who love scenic yet fast-paced half marathons.

Generic Half Marathon Time This represents the time you would expect to run a "generic" half marathon in. This is a half marathon with around 100 m (300 ft) of elevation gain and a temperature around 10°C (50°F). For best results, use our Race Predictor.

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Aspen Valley Half Marathon Time


Statistics

Elevation
Elevation Gain 35 m 115 ft
Elevation Low 2010 m 6594 ft
Elevation High 2305 m 7562 ft
Weather
Expected Temperature (Low) 15°C 58°F
Expected Temperature (High) 28°C 82°F
Chance of Rain 3%

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The Aspen Valley Marathon is a high-altitude running adventure, set against the backdrop of the stunning Rocky Mountains. Although primarily known for its full marathon, the half marathon follows the same breathtaking route, featuring fast, paved roads surrounded by endless mountain vistas.

The slight downhill course makes it a potential PR opportunity, but the thin mountain air presents a unique challenge for those not accustomed to elevation. Despite this, the race’s pristine natural beauty, smooth organization, and welcoming running community make it a must-run for those who love scenic yet fast-paced half marathons.

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