Usain Bolt is a Jamaican sprinter who dominated men's sprinting at the 2008 Beijing and 2012 London Olympics: 1. At Beijing 2008, he became the first man to win both the 100m and 200m races in world record times and also won gold as part of the 4x100m relay team, which set a new world record. 2. He defended all three Olympic titles at London 2012 in the 100m, 200m, and 4x100m relay, setting a new world record in the relay. 3. Bolt was born in Jamaica.