6:58.55 by Michael Phelps, Ricky Berens, David Walters, and Ryan Lochte.
Well, 15/18 boys on my swim team can do it in under 55 seconds, think the record is 46.ish. In yards!
The Olympic 400m men freestyle record is 3:40.59 by Ian Thrope.
No
12.87
14:34.56 set by Grant Hackett, of Australia
Noah Ngeny
Daniel Koman.
5 minutes
Paul Biedermann 1:42.00 in Rome, Italy on July 28, 2009.
See Related Links for a link to Video of the 2008 Beijing Olympic Men's 4 x 100 freestyle relay event via NBC's Olympic coverage.
Usain Bolt of Jamiaca
Park Taehwan (Korea) won the gold medal in the men's 400 meter freestyle swimming in the 2008 Summer Olympics.