The final day of the swimming world championships was packed with events, and saw one American gold medal with the 4×100 men’s medley relay, enough to put them on top of the medal table in both overall and golds. Gregorio Paltrinieri of Italy won the men’s 1500 meters freestyle; Camille Lacourt of France took the men’s 50 meters backstroke; Daiya Seto of Japan won the men’s 400 meters individual medley; Bronte Campbell of Australia won the women’s 50 meters freestyle; Jennie Johansson of Sweden won the women’s 50 meters breaststroke; Katinka Hosszu of Hungary won the women’s 400 meters individual medley and China won the final race of the championship, the women’s 4×100 medley relay.