07/23/2012 05:51 EDT | Updated 07/23/2012 05:52 EDT

Canada At The Games: What Medal Will Simon Whitfield Win?

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Mere seconds separated triathlete Simon Whitfield from a second gold medal in Beijing. Four years later and approaching the end of his Olympic career, Canada's flagbearer will have to run the race of his life to take gold in London.

Can Whitfield, the first man to win an Olympic gold medal in triathlon and a long-time ambassador of the sport, make Olympic history?