sain Bolt has completed his triple-triple, anchoring the Jamaica 4×100-meter relay to victory in the final to ensure three gold medals at three consecutive Olympics.
Bolt, who has won the 100, 200 and 4×100 relay gold medals at Beijing, London and now Rio, crossed in 37.27 seconds on Friday.
Japan set an Asian record to take the silver in 37.60, holding off the third-place Americans by 0.02.
