The SolVista Bike Park at Granby Ranch will host USA Cycling's 2010 Mountain Bike National Championships July 15-18, bringing the event back for the second year in a row. Ride up the Quick Draw Express lift and pick your poison: The park now boasts more than a dozen trails with green, blue and double-black diamond ratings, including a beginner-friendly pump track and dual slalom track. The gnarliest offering is Buck Nasty, a steep, expert-only downhill trail opened in 2009 that features gap jumps, rock gardens and other obstacles to put your helmet to the test.