Wiens Explains 2010 Original Growler Race Course

Gunnison, Colorado's Growler mountain bike race is scheduled for its third running on May 30, the 64-mile event in 7,700-foot high Gunnison is organized by Dave Wiens, the man who has beat both Lance Armstrong and Floyd Landis at the Leadville 100, a race Wiens has won six times.

Get Fit for Going Long

Marathon and endurance events are becoming more popular. Read on to find out how to train for these mountain bike races with either a power meter or heart rate monitor.