Usain Bolt has been known as the fastest runner in the world since the 2008 Olympic Games in Beijing, China. The Jamaican sprinter earned this title when he set a world record and took home the gold medal in the Men's 100m race. Then he went on to win gold and set world records in the Men's 200m and Men's 4 x 100m Relay events. Usain will set out to prove that he is still the world's fastest person when he competes in the 2012 Olympic Games in London, England. Learn more about Usain's journey from his childhood in western Jamaica to the top of the sports world.