BEIJING, August 20, 2008 (AFP) - The Olympic challenge facing Jamaican sprinter Usain Bolt, who completed his bid for a 100m and 200m sprint double at the Beijing Games with a victory here Wednesday in a world record 19.30 seconds, breaking the old mark of 19.32 set by Michael Johnson of the United States at the 1996 Atlanta Olympics. The world 100m and 200m record holder will also compete in the 4x100m relay.

- Won his 100m first round heat in 10.20 seconds

- Won his quarter-final heat in 9.92

- Won his 100m semi-final heat in 9.85

- GOLD - won the 100m final in 9.69, breaking his own world record of 9.72 set May 31 in New York

- Was runner-up in his 200m first-round heat in 20.64

Won his 200m quarter-final heat in 20.29

- Won his 200m semi-final heat in 20.09

- GOLD - won the 200m final in 19.30, breaking the world record of 19.32 set August 1, 1996 by Michael Johnson at the Atlanta Olympics

- 4x100m relay heats

- 4x100m relay final