Usain
St. Leo Bolt born on 21 August 1986, is a Jamaican sprinter widely regarded as
the fastest person ever. 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.
In
the Olympic Games of Beijing in 100 m final, Bolt broke new ground, winning in
9.69 s with a reaction time of 0.165 s.
Here, you can see a video where Usain Bolt breaks the world record of 100m in the Olympic Games of Beijing in 2008.
In this video, Usain Bolt and Jamaica team break the world record in the 4x100 metres relay, with 37.10sec.