Urbanathlete scales an eight-foot wall obstacle during the Men's Health Urbanathlon, Sunday, Nov. 18, 2012 in San Francisco.The Men's Health Urbanathlon is a rigorous 9 mile course, packed with ... more 
Urbanathlete scales an eight-foot wall obstacle during the Men's Health Urbanathlon, Sunday, Nov. 18, 2012 in San Francisco.The Men's Health Urbanathlon is a rigorous 9 mile course, packed with challenging urban obstacles set against the backdrop of iconic city landmarks.(Photo by Tony Avelar/Invision for Men's Health/AP Images) less 
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Associated Press
Sun, Nov 18, 2012 11:06 PM EST