Russia's Sergey Kirdyapkin celebrates winning men's 50km race walk at London 2012 Olympic Games
Russia's Sergey Kirdyapkin celebrates after crossing the finish line to win the men's 50km race walk during the London 2012 Olympic Games at The Mall August 11, 2012. Kirdyapkin won the gold ahead of Australia's Jared Tallent who won silver and China's Si Tianfeng who took bronze. REUTERS/Laszlo Balogh (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)