Sportman : Usain Bolt

Usain Bolt was born 21 August 1986, he is a Jamaican sprinter and Olympic champion in 100 m. He is the current world record holder in the 100 m (9.69 s), world junior record holder in the 200 metres (19.93 s), and Jamaican record holder in the 200 m (19.67 s). His nickname is "Lightning Bolt".
Bolt was born in Trelawny, Jamaica . At the age of 15 he won a gold and two silver medals at the 2002 World Junior Championships in front of a home crowd in Kingston, becoming the youngest world junior gold medalist ever. He won another gold medal at the 2003 World Youth Championships, running the 200 m in 20.40 seconds.
In 2004 Bolt ran the 200 m in 19.93 seconds, becoming the first junior to break the 20-second mark.
At the 2007 Jamaican Championships, Bolt ran 19.75, breaking the 36-year-old national record held by Quarrie by 0.11 seconds. At the World Championships in Osaka, Bolt won a silver medal in the 200 m behind the American Tyson Gay.
On 3 May 2008, Bolt ran 9.76 in the 100 m at the Jamaica Invitational, then the second fastest legal performance in the history of the event, behind compatriot Asafa Powell. Later that month, on 31 May 2008, Bolt ran 9.72, establishing a new world record in the 100 m at the Reebok Grand Prix in New York, breaking the 9.74-second record of Powell. On the 13 July 2008 in Athens, Greece Usain once again broke the 200 m national record by running 19.67.
As the new 100m world record holder, Bolt arrived at the Beijing Summer Olympics as the favorite in both the 100 m and 200 m. After finishing his quarterfinals and semifinals in 9.92 and 9.85, on 16 August 2008, Bolt won the Olympic 100 m final in 9.69 seconds