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Ariarne Titmus Breaks World Record in Women's 400-Meter Freestyle

Titmus Wins Star-Studded Race

Third Woman to Swim Sub-4 Minutes

Ariarne Titmus has made history by breaking the world record in the women's 400-meter freestyle. The Australian swimmer set a new mark of 3 minutes 55.38 seconds at the World Championships in Fukuoka, Japan, on Wednesday.

Titmus's record-breaking swim came in a star-studded race that featured three women who swam under the previous world record of 3:56.46 set by Katie Ledecky in 2016.

Fox Sports