Ariarne Titmus breaks Katie Ledecky's 400 freestyle world record - The Washington Post

The 21-year-old Australian sensation lowered Ledecky's mark by six-hundredths of a second.

Placeholder while article actions load For eight years, Katie Ledecky was the world record holder in the three longest womens freestyle swimming distances, with those marks getting lowered 11 times … [+2447 chars]

full article...