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


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, […]