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Welcome to What Race To Run, your one-stop destination for discovering and participating in races from all corners of the globe! Our mission is to connect passionate runners like you with the most exhilarating, diverse, and unforgettable racing experiences on the planet.

aspen Tag

Course HighlightsThe Aspen Backcountry Marathon is one of Colorado's most stunning trail races, utilizing the world-class trail network that surrounds the legendary resort town of Aspen. All three distances — the 50K, marathon, and heavy half-marathon — run almost exclusively on single-track dirt trails with diverse terrain: challenging climbs through aspen groves, high ridge traverses with panoramic views of the Elk Mountains, and technical descents back into the valley. The 50K distance includes an out-and-back to the McNamara Hut, part