The field is set for the highly anticipated men's 100 final.

Usain Bolt, Yohan Blake and Justin Gatlin highlight the final group, which races on Sunday night for the title of World's Fastest Man.

Tyson Gay and Ryan Bailey of the U.S., Asafa Powell of Jamaica, Richard Thompson of Trinidad and Tobago and Churandy Martina of the Netherlands round out the field.

Bolt got a great start in his heat, which has been a problem for him in the past. He coasted to an easy win and appears primed to defend his title.

— Jon Krawczynski — Twitter http://www.twitter.com/APKrawczynski

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