Usain St Leo Bolt, OJ, CD (born 21 August 1986) is a Jamaican former sprinter. He is a world record holder in the 100 metres, 200 metres and 4 × 100 metres relay.

Owing to his achievements and dominance in sprint competition, he is widely considered to be the greatest sprinter of all time. An eight-time Olympic gold medallist, Bolt is the only sprinter to win Olympic 100 m and 200 m titles at three consecutive Olympics (2008, 2012 and 2016). In addition, he won two 4 × 100 relay gold medals.

He gained worldwide fame for his double sprint victory in world record times at the 2008 Beijing Olympics, which made him the first person to hold both records since fully automatic time became mandatory.

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