Blue Sky Trail Marathon @ Horsetooth Mountain Park, Fort Collins, CO, United States on 05 October 2014

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The Blue Sky Marathon takes place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space in Fort Collins, CO. The course takes you on a north-south tour of the easternmost hogbacks of Northern Colorado’s mighty Front Range. With over 3,300 feet of elevation gain and an equal amount of elevation loss, […]