Katie Ledecky wins Gold in 400 freestyle, smashing own record

United States‘ swimmer Katie Ledecky has won gold in the women’s 400 metre freestyle at the Rio Olympics.

The 19-year-old set a new mark of 3 minutes and 56.46 seconds, beating her own world record of 3 minutes and 58.37 seconds set in Australia two years ago.

Britain’s Jazz Carlin won a silver medal, and fellow US swimmer, Leah Smith, took bronze.

Ledecky described her win as “pure happiness.”