Usain St. Leo Bolt,
OJ, CD (; born 21 August 1986) is a Jamaican
sprinter. Regarded as the fastest person ever timed, he is the first man to hold both the
100 metres and
200 metres world records since
fully automatic time measurements became mandatory in 1977. Along with his teammates, he also set the world record in the
4×100 metres relay. He is the reigning Olympic champion in these three events, the first man to win six Olympic
gold medals in sprinting, and an eleven-time World champion. He was the first to achieve a "double double" by winning 100 m and 200 m titles at consecutive Olympics (2008 and 2012), and topped this through the first "double triple" (including 4×100 m relays).