Usain St. Leo Bolt was born in 1986 and is a Jamaican runner and eight-time Olympic gold-medal winner. He is also known as "Lightning Bolt". Some people call him the fastest man in the world. He has run 100 metres in 9.58 seconds and 200 metres in 19.30 seconds. He took part in the 2012 London Olympics, and won gold in the 100 m, 200 m and 4 × 100 m relay.
Usain Bolt won the IAAF Grand Prize in 100 meter dash on May 31st, 2008 at Icahn Stadium in New York City. He finished the race in 9.72 seconds and broke the world record. On August 16th, 2008, he broke his world record again at the Olympic Games in Beijing. On August 20th, 2008 he broke the world record for the men's 200 meter race.
On August 16th, 2009, he went to the 12th World Championships in Athletics and broke his own world record in the 100 meter race. He ran that race in 9.58 seconds. Surprisingly, in this race, he didn't try his hardest. He looked around for the last five meters.
On August 5th, 2012, he won the men's 100 meter final in the London Olympics. His finishing time was 9.63 seconds. He also won the 4 x 100 meter relay race.
He also won a gold medal in the 100 meter race in the 2016 Rio Olympics.
In 2017, his gold medal for the 2008 relay was disqualified because his teammate Nesta Carter had used drugs. He had to give up his gold medal.