IRVINE, California — Katie Ledecky dominated the 400-meter freestyle, leading all the way to win by 3.12 seconds at the US national swimming championships.
She earned her 16th national long-course title on Saturday night (Sunday, Manila time), tying Natalie Coughlin for seventh on the career list.
Ledecky was under world-record pace through 250 meters with the crowd cheering loudly before she dropped off and finished in three minutes and 59.09 seconds. It was the 10th-fastest swim ever in the event, with Ledecky owning the other nine best times.
Olympian Leah Smith gave chase the entire race and touched second in 4:02.21. Another Olympian, Haley Anderson, was third.
Ledecky also won the 200 and 800 freestyles.