10k 50k 5k Half Marathon Marathon Nationwide Running Relay Trail Run Ultra3 Min Read Nikki MuelleronAugust 8, 2017 We are Runcation-ing at the 2017 Under Armour Mountain Series in Copper Mountain, CO! Have you heard about the Under Armour Mountain Series yet? If you love trail running and adventures in some of the most stunning mountain… Discover More
