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LONDON, ENGLAND - AUGUST 04: Ryota Yamagata of Japan competes in the Men's 100m Round 1 Heats on Day 8 of the London 2012 Olympic Games at Olympic Stadium on August 4, 2012 in London, England. (Photo by Streeter Lecka/Getty Images)

LONDON, ENGLAND - AUGUST 04:  Ryota Yamagata of Japan competes in the Men's 100m  Round 1 Heats on Day 8 of the London 2012 Olympic Games at Olympic Stadium on August 4, 2012 in London, England.  (Photo by Streeter Lecka/Getty Images)