Swimming at the 2007 World Aquatics Championships – Men's 4 × 100 metre freestyle relay

Men's 4×100 metre freestyle relay at the 2007 FINA World Championships
Venue	Rod Laver Arena
Date	25 March 2007
Teams	35
Winning time	3 minutes 12.72 seconds
Medalists
Michael Phelps Neil Walker Cullen Jones Jason Lezak    United States   Massimiliano Rosolino Alessandro Calvi Christian Galenda Filippo Magnini    Italy   Fabien Gilot Frédérick Bousquet Julien Sicot Alain Bernard    France
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The men's 4×100 metre freestyle relay at the 2007 World Aquatics Championships took place on 25 March 2007 at the Rod Laver Arena in Melbourne, Australia. The top-12 finishers from this race qualified for the event at the 2008 Olympics. 35 teams entered in the event, of which 34 swam.

The existing records when the event started were:

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