A shock result has changed the dynamics of one of the key Olympic events just a month out from the London games.
Yohan Blake's upstaged world record holder Usain Bolt to win the 100m at the Jamaican Olympic trials in 9.75 seconds.
Bolt, the reigning Olympic champion, was second in 9.86 seconds and Asafa Powell third in 9.88 seconds.
Blake becomes the fourth fastest man ever in the event, in posting the quickest time this year.
Photo: Yohan Blake (Getty Images)