BEIJING, CHINA - AUGUST 28:  Ashton Eaton of the United States crosses the finish line to win his Men's Decathlon 400 metres heat to lead the overall Decathlon during day seven of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 28, 2015 in Beijing, China.  (Photo by Christian Petersen/Getty Images for IAAF)