Tokyo Olympics: GB win gold in 4x100m mixed medley relay in world-record time
There was an error
This content isn't available any more.
Watch as Britain's Kathleen Dawson, Adam Peaty, James Guy and Anna Hopkin win mixed medley relay gold with a new world record at Tokyo 2020.
Watch live coverage of Tokyo 2020 on BBC One, BBC Two, the BBC Sport website, app and BBC iPlayer
COVERAGE DETAILS: Tokyo Olympics: Day-by-day guide to the key events, big stars and British medal hopes