The Men's 400 metre freestyle competition at the
2019 World Championships was held on 21 July 2019. The three-time defending champion was
Sun Yang
Sun Yang (; ; born 1 December 1991) is a Chinese Swimming at the Summer Olympics, Olympic and former List of world records in swimming, world-record-holding competitive Swimming (sport), swimmer. In 2012, Sun became the first Chinese athlete ...
, and he successfully defended his title for a record-breaking 4th consecutive victory in the world championships in this event. He became the third man to win an event 4 times at the world championships after
Grant Hackett
Grant George Hackett Order of Australia, OAM (born 9 May 1980) is an Australian swimmer, most famous for winning the men's 1500 metres freestyle swimming, freestyle race at both the 2000 Summer Olympics in Sydney and the 2004 Summer Olympics in ...
in the 1500 meter freestyle and
Ryan Lochte
Ryan Steven Lochte ( ; born August 3, 1984) is an American former competition swimmer and 12-time Olympic medalist. He is the third-most decorated swimmer in Olympic history measured by total number of medals, behind only Michael Phelps and Kat ...
in the 200 meter individual medley.
Records
Prior to the competition, the existing world and championship records were as follows.
Results
Heats
The heats were held at 10:16.
Final
The final was held at 20:02.
References
{{DEFAULTSORT:2019 World Aquatics Championships - Men's 400 metre freestyle
Men's 400 metre freestyle