Another world record, we spoil you!
It is a day for record breakers, with Canada's Kylie Masse breaking the 100m backstroke world record too.
Give it a watch, it will only take 25.95 seconds of your time.
Here’s what’s coming up today and the British competitors involved:
Men’s 200m Freestyle (final) – James Guy and Duncan Scott
Women’s 1500m Freestyle (final) – no GB
Men’s 50m Breaststroke (semi-final) – Adam Peaty
Women’s 100m Backstroke (final) – Kathleen Dawson
Men’s 100m Backstroke (final) – no GB
Women’s 200m Freestyle (semi-final) – no GB
Men’s 200m Butterfly (semi-final) – no GB
Women’s 100m Breaststroke (final) - Sarah Vasey
The BBC will feature live coverage of the swimming and diving events online, on Red Button and on TV. You can see the full schedule here for the swimming here.
The World Championships are arranged by global body FINA (Fédération Internationale de Natation) and take place every two years.
This year’s event runs from 14-30 July in Budapest, Hungary. The schedule includes a variety of aquatic sports including diving, swimming, synchronised swimming, water polo, open water swimming and high diving.
At the previous event, held in Kazan, Russia, GB came fifth in the medal table with 14 medals.