Simone Manuel pulled off another upset for gold.
The Olympic 100m free co-gold medalist won the world 100m freestyle title by stunning world-record holder Sarah Sjöström in an American record 52.27 seconds in Budapest on Friday.
The Swede Sjöström took silver in 52.31, followed by Denmark’s Pernille Blume in 52.69. American Mallory Comerford was fourth.
Sjöström was a heavy favorite going into the final, given she clocked 51.71 leading off the 4x100m free relay Sunday, taking .35 off the world record. Sjöström was .08 faster than her world-record pace at the 50-meter mark, but Manuel passed her in the last 10 meters and lowered her personal best by .