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BEIJING, CHINA - AUGUST 29: Ashton Eaton of the United States competes in the Men's Decathlon Pole Vault during day eight of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 29, 2015 in Beijing, China. (Photo by Andy Lyons/Getty Images)

BEIJING, CHINA - AUGUST 29:  Ashton Eaton of the United States competes in the Men's Decathlon Pole Vault during day eight of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 29, 2015 in Beijing, China.  (Photo by Andy Lyons/Getty Images)