World Swimming Championships 2017: USA break relay world record to win world gold

There was an error

This content is not available in your location.

The United States win the 4x100m mixed medley relay in a world record time of 3:38.56, with Great Britain missing out on a medal by three-tenths of a second with Canada and China sharing third.

WATCH MORE: Peaty storms to 50m breaststroke gold

Available to UK users only