Ariarne Titmus throws down fastest split ever as Australia sets relay WR
It's the first relay split under 1:53.
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It's the first relay split under 1:53.
It's her third win in three days.
Ledecky also won the 800-mete freestyle.
The FINA World Championships were held in Budapest in June.
The United States clinched their fourth-straight worlds title.
Team USA is seeking its fourth world title.
Ledecky now has 21 world championship medals.