Armstrong returns to racing in Leadville

Since his retirement, Armstrong has turned his attention to marathon running

Since his retirement, Armstrong has turned his attention to marathon running (Image credit: AFP)

Three years after the end of his career, seven-time Tour de France winner Lance Armstrong hopes to finish a cycling race again. On Saturday, August 9, Armstrong will line up in the Leadville Trail 100, a 100-mile mountain bike race through the Rocky Mountains of Colorado.