Usain Bolt is the world’s fastest runner who belongs to Jamaica. He is the world record holder in the 100 metres, 200 metres and 4 × 100 metres relay. His reign as Olympic Games champion in all of these events is in multiple Olympics. Due to his achievements in running, he is widely considered to be the greatest runner of all times. Usain Bolt took 2008 Olympic Games in Beijing by storm. He won the 100 metres and the 200 metres in a record time of 19.30 seconds.