Simone Biles won a record 21st medal at the world gymnastics championships on Tuesday as the United States retained its women's team all-around title.

It was Biles' 15th career gold and broke a tie with Russian gymnast Svetlana Khorkina for the most medals overall by a woman at the world championships. She's now two short of Vitaly Scherbo's all-time record of 23 among men or women.

The U.S. team scored 172.330 points to beat second-place Russia by 5.801 points and win its seventh consecutive team title at an Olympics or world championships.

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