Twenty-one-year-old Usain Bolt is the new world record-holder in the Men's 100 metres after smashing Asafa Powell's 10-month-old mark with a brilliant, scintillating 9.72 seconds at the Reebok Grand Prix at the Icahan Stadium on May 31st.

Just after 11:00 pm New York time on a cool evening, after a false start and a recall, Bolt - who was running his fifth 100m as a senior - continued his assault on track & field's most prestigious event after running 9.76 and 9.92 seconds earlier this month.

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