A 2012 Tough Mudder 10k race competitor makes his way through the "Electroshock Therapy" obstacle at Beaver Creek Resort Saturday afternoon. Over 13,000 entrants ran/walked 10 miles up and down the ski area through 24 challenging obstacles benefiting the

A 2012 Tough Mudder 10k race competitor makes his way through the "Electroshock Therapy" obstacle at Beaver Creek Resort Saturday afternoon. Over 13,000 entrants ran/walked 10 miles up and down the ski area through 24 challenging obstacles benefiting the Wounded Warrior Project. Andy Cross, The Denver Post (Photo By Andy Cross/The Denver Post via Getty Images)