The US Olympic swim trials in Omaha, Neb., today looked more like a final in Beijing, as Hayley McGregory took the 100-meter backstroke world record from Natalie Coughlin—who promptly took it back, the Los Angeles Times reports. McGregory swam it in 59.15 seconds, and Coughlin stroked it in 59.03 in the next heat. "I really didn't want her to have it for very long," Coughlin said. (More swimming stories.)