LONDON—France upset favored Australia and the United States to win the 4x100-meter freestyle relay at the London Olympics on Sunday.

The Americans led all the way until Yannick Agnel pulled ahead of Ryan Lochte in the final lap.

France clocked 3 minutes, 9.93 seconds, and the Americans settled for silver in 3:10.38. Russia took bronze in 3:11.41.

Pre-race favorite Australia was fourth.

It was sweet revenge for the French, who lost a close race to the Americans in Beijing four years ago.