Ussain Bolt has defended the 100 Meters title in London Olympics . He set the Olympic record with 9.63 seconds and defeated his country man Yohan Blake in a tense final. World champion Yohan Blake equaled his personal best with 9.75 seconds and Gatlin won the bronze medal with 9.79 seconds. After the match, Bolt said that he was very confident about the race and didn't had any doubts about winning the title. Ussain Bolt will be competing in 200 meters on Tuesday.