London 2012: Usain Bolt joins Yohan Blake, Justin Gatlin, Tyson Gay, Ryan Bailey in 100 m final

Usain Bolt at the Olympic heats on August 4, 2012. PHOTO/Franck Fife/Getty Images

Usain Bolt now has a chance to repeat as the gold medalist in the men's 100 meters after qualifying for the final at the London
Olympics.

Bolt who posted a time of 9.87 seconds finished first in his semi-final heat, even letting up toward the end.

Ryan Bailey of the United States finished second to Bolt in that heat with a time of 9.96 seconds.

Justin Gatlin of the United States finished first in

More details here...