 In Doha, Fraser-Pryce cruised to 10.80 s in the 100 m heats, the fastest first-round time in World Championships history.She followed with 10.81 s in the semifinal, the fastest qualifying time ahead of the final.In the 100 m final, she outpaced the field from the start, powering away to her fourth title in a world-leading 10.71 s—her fastest time since 2013.