Usain Bolt
Usain Bolt from Jamaica is the world record holder and the Olympic Champion
Usain Bolt, 9.58 seconds in the 2009 Berlin Olympic Games.
Usain Bolt is from Jamaca
Rebecca Adlington
Usain Bolt from Jamaica is the current worlds record holder and 2008 Olympic gold medal recipient in the 100m dash.
Cesar Cielo
David Ambler - 100m record of 10.41s
The world record holder for a woman is a Mexican girl named Ana Guevara with a time of 35.30 seconds.
Olympic Track star, I believe she had the record in 100 yd dash for a while.
Usain Bolt
Asafa Powell.