The World Cup gold on midsummer evening on the 50 meter butterfly was followed by a new World Cup gold on the midsummer day of 50 meters free for Sarah Sjöström.
Katarzyna Wasick, Poland, finished second.
The Swedish 28-year-old thus took his third medal during the championship after also taking a silver in the 100 meters freestyle.
In total, it is Sjöström's 19th individual World Cup medal (long distance) and now she is only one from Michael Phelps who has the most (20).
Sarah Sjöström also swims 4x100 meter medley with Hanna Rosvall, Sophie Hansson and Louise Hansson with a start time of 19.38 on Saturday night.
The text is updated