Ashton Eaton of the U.S. competes in the men’s decathlon shot put event at the London 2012 Olympic Games at the Olympic Stadium

Ashton Eaton maintained his decathlon lead after the shot put event. (REUTERS/Kai Pfaffenbach)

Ashton Eaton maintained his decathlon lead after the shot put event. (REUTERS/Kai Pfaffenbach)

Ashton Eaton of the U.S. competes in the men’s decathlon shot put event at the London 2012 Olympic Games at the Olympic Stadium August 8, 2012. REUTERS/Kai Pfaffenbach (BRITAIN – Tags: OLYMPICS SPORT ATHLETICS)