London: 10 athletes to watch for

Updated: May 16, 2012 12:05 IST

Track and field sprint athlete Allyson Felix of the US, who won an Olympic gold medal in Beijing, trains for the London 2012 Olympics in Los Angeles, California. Reuters/Lucy Nicholson
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Track and field sprint athlete Allyson Felix of the US, who won an Olympic gold medal in Beijing, trains for the London 2012 Olympics in Los Angeles, California. Reuters/Lucy Nicholson

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