Usain bolt is a Jamaican Sprinter born on 21st August 1986. He is regarded to be the fastest human being on the Earth. He is the first runner to have held the records of 100 meters and 200 meters, since time was started being measured on automatic time measurement devices. He and his team mates jointly hold the world record of 4x100 meters relay. He is the current Olympic champions in all the three categories and has won six Olympic medals. He is also nicknamed "lightning Bolt".
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