Men's 4 × 100 m freestyle relay: In the final race, Team USA finished with a time of 3:09.92 to win the gold and for Michael Phelps this was a record 19th Olympic gold medal

Gold : USA  3:09.92
(Caeleb Dressel, Michael Phelps, Ryan Held, Nathan Adrian, Jimmy Feigen*, Blake Pieroni*, Anthony Ervin*) 
Silver : France 3:10.53
(Mehdy Metella, Fabien Gilot, Florent Manaudou, Jérémy Stravius, William Meynard*, Clément Mignon*) 
Bronze : Australia 3:11.37.
(James Roberts, Kyle Chalmers, James Magnussen, Cameron McEvoy, Matthew Abood*) 

*Indicates the swimmer only competed in the preliminary heats