Great visualization of olympic runners from 1896 until now: http://www.nytimes.com/interactive/2012/08/05/sports/olympics/the-100-meter-dash-one-race-every-medalist-ever.html?hp&hp …
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Great visualization of olympic runners from 1896 until now: http://www.nytimes.com/interactive/2012/08/05/sports/olympics/the-100-meter-dash-one-race-every-medalist-ever.html?hp&hp …