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Sergey Kirdyapkin, Russia, winning the Gold Medal in the Men's 50km Walk, The Mall, during the London 2012 Olympic games. London, UK. 11th August 2012. Photo Tim Clayton (Photo by Tim Clayton/Corbis via Getty Images)

Sergey Kirdyapkin, Russia, winning the Gold Medal in the Men's 50km Walk, The Mall, during the London 2012 Olympic games. London, UK. 11th August 2012. Photo Tim Clayton (Photo by Tim Clayton/Corbis via Getty Images)