Rio 2016: How the 100m record has got faster over time

From Donald Lippincott & Marie Mejzlikova to Usain Bolt & Flo-Jo, BBC Sport"s visual guide to how the 100m world record has got faster over time.Original Article

Rio 2016: How the 100m record has got faster over time
http://latiendadejm.com/blog/rio-2016-how-the-100m-record-has-got-faster-over-time/

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