Aspen Snowmass, Colo., August 4, 2014 – J. Marshall Thomson of Crested Butte, Colo. took home first place for the second year in a row in the Power of Four Mountain 50K Trail race Sunday. The Power of Four 50K is the newest addition to the Audi Power of Four race series and is in its second year. The race covers each of the four Aspen Snowmass m...