 For the upcoming Summer Olympics, the rivalry had once again taken centre stage, with the American team seeking to regain its former dominance over the sprints.After an inconsistent start to the 2012 season, Fraser-Pryce won the sprint double at the Jamaican Olympic Trials in June.In the 100 m, she set a new personal best of 10.70 s, which improved on the national record she set in 2009 and landed her at number-four on the all-time list.