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LONDON, ENGLAND - AUGUST 07: Sir Chris Hoy of Great Britain celebrates victory in the final of the men's Keirin during Day 11 of the London 2012 London Olympics at the Veledrome on August 07, 2012 in London, England. (Photo by Ian MacNicol/Getty Images)

LONDON, ENGLAND - AUGUST 07:  Sir Chris Hoy of Great Britain celebrates victory in the final of the men's Keirin during Day 11 of the London 2012 London Olympics at the Veledrome on August 07, 2012 in London, England.  (Photo by Ian MacNicol/Getty Images)