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Usain Bolt to concentrate solely on 100 metres in final season of illustrious career | Athletics News | Sky Sports
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Usain Bolt breaks world record in time of 9.58sec to win 100m gold in Berlin | Usain Bolt | The Guardian
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Usain Bolt ready to return to New York, scene of first 100 metre world record | Athletics News | ESPN.co.uk
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Usain Bolt's face right before he finishes the 100 meter sprint in the semi-finals in Rio : r/sports
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Olympics 100m final: Usain Bolt wins gold in 9.63sec at London 2012 – as it happened | Sport | The Guardian
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