Master of the Mass, a new a four-stage, three-day mountain biking race in Snowmass is set for July 13-15, 2012. This Enduro Mountain Bike Race includes a variety of terrain including a chainless downhill, cross-country, downhill and super-downhill stages. The ultimate challenge – all racers must choose one bike to race on for all disciplines. Parties and events will surround the weekend of mountain biking in one of the most beautiful settings in the Rockies. Visit aspensnowmass.com/master to register or for more info.