Feeling fit this weekend? If so, why not try this weekend's Power of Four Trail Race? The Power of Four race features 50K, 25K and 10K races on the four Aspen Snowmass mountains. The 50K, starting at the base of Aspen Mountain traverses across Aspen Highlands, Buttermilk, and finishes in Snowmass. There is still time to sign up for this iconic race and cross the Power of Four off of your bucket list!