Danish swimmers react after winning the Women's 4x50m Medley Relay during the 12th FINA World Swimming Championships in Doha. Photo: Marwan Naamani/AFP/Scanpix
The Danish quartet came home in 1min 44.04sec to cut 1.88secs off their own 2013 mark ahead of the United States and France.
Denmark has a team of 14 swimmers competing at the World Short-Course Swimming Championships, which runs through December 7th.
It is the eighth world record of the five-day event at the Hamad Aquatic Centre.