VAL DI FIEMME, ITALY - MARCH 03: Noah Hoffman of the United States is given assistance during the Men's 50Km Cross Country Mass Start at the FIS Nordic World Ski Championships on March 3, 2013 in Val... more 

VAL DI FIEMME, ITALY - MARCH 03: Noah Hoffman of the United States is given assistance during the Men's 50Km Cross Country Mass Start at the FIS Nordic World Ski Championships on March 3, 2013 in Val di Fiemme, Italy. (Photo by Alexander Hassenstein/Bongarts/Getty Images) less