Katie Ledecky won the 400 free with a new 15-16 NAG record.
Matt McLean and Connor Jaeger finish first and second in the 400 freestyle at the 2013 World Championship Trials.
Breeja Larson wins her second event of the meet with a time of 1:06.16 in the 100 breaststroke.
Kevin Cordes wins the 100 breaststroke in 59.99 at the 2013 World Championship Trials.
David Plummer adds another double for the mens world championship team after winning the 100 backstroke.
Missy Franklin breaks a US Open record to win the 100 backstroke in 53.67 at the 2013 World Championship Trials.
Liz Pelton finishes second in the 100 backstroke and qualifies for another event in Barcelona.
Ryan Murphy finishes third in the 100 backstroke with a new 17-18 NAG record at the 2013 World Championship Trials.