The United States has set a world record in the 4x50-meter mixed medley relay at the world short-course swimming championships.
Caeleb Dressel, Kelsi Dahlia, Michael Andrew and Olivia Smoliga won in 1 minute, 36.40 seconds, finishing .65 seconds ahead of the Netherlands.
American swimmers held the previous record of 1:37.17 set in Glasgow in 2013.
Also, Kirill Prigoda of Russia set a world record in the 200 breaststroke. Prigoda won in 2:16.
Koch held the previous record of 2:00.44 set in Berlin in 2016.
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