Usain bolt
"I was feeling good after the semis. I knew it was going to be a great race and I executed it," Bolt said. "It's a great time, a great feeling, I feel good in myself and I knew I could do it.
"There was a big build up, great atmosphere. It wasn't going to be an easy race but I had a perfect start and just went from there.
His rivals Tyson Gay and Asafa Powell finished second and third respectively. Tyson Gay recorded American record of 9.71 sec beating previous 100 m record of 9.77sec. Britain Dwain Chambers registered best of the season performance. Final game video at bbc.co.uk
