That would be the U.S. Olympic Track and Field Trials that will be held in Eugene, Oregon in 2012. A date for the trials has not been set, as of yet, but the Trials generally occur 4-6 weeks prior to the beginning of the Olympics.
Usain Bolt won gold in 100 meters race in Olympics 2012.
Usain Bolt
Who won the 100 metres of 2012 London Olympics Usain Bolt of Jamaica won the 100 meters for men and Shelly-Ann Fraser-Pryce of Jamaica won for the women.
In order to qualify to run the 100 meter dash in the Olympics and represent the United States, a sprinter must qualify to run in the U.S. Olympic trials which means you have to run a qualifying time in order to be eligible to participate in the trials. The qualifying time must be a result of an electric timer (accutrack time) no hand held times are allowed for qualification for this event. Then you have to place in the top three in the finals of the 100 in the trials in order to quaify to represent the U.S. in the 100 meters in the Olympics.
Usain Bolt Jamaica (JAM)
Yohan Blake Jamaica (JAM)
the achievements of Usain Bolt's Career are that he has won many trophies for running the 100 meters in the Olympics 2008-2012.
Veronica Campbell-Brown Jamaica (JAM)
Carmelita Jeter United States (USA)
the achievements of Usain Bolt's Career are that he has won many trophies for running the 100 meters in the Olympics 2008-2012.
Justin Gatlin United States (USA)
Usain Bolt