Swede Sarah Sjostrom just missed breaking a second world record in as many days at the world swimming championships.
Still, Sjostrom easily won her fourth world title in the 100m butterfly in 55.53 seconds, following her Olympic gold medal. Sjostrom won in Rio in a world-record 55.48.
American Kelsi Worrell earned bronze, her first individual medal at a major international meet. Worrell clocked a personal-best 56.37, finishing behind Australian silver medalist Emma McKeon (56.18).
Sjostrom now owns the 11 fastest times in history. The next-fastest woman, 2012 Olympic champion Dana Vollmer, had a best time of 55.