Missy Franklin starts the women's 200-meter backstroke final during the...

Missy Franklin starts the women's 200-meter backstroke final during the 2012 Summer Olympics in London. (Aug. 3, 2012) Credit: AP

LONDON -- American teenager Missy Franklin set a world record in the 200 backstroke Friday for her third gold and fourth medal overall at the London Olympics.

It was the seventh world record of the games.

Anastasia Zueva of Russia touched in 2:05.92 to take the silver medal and Elizabeth Beisel of the United States finished in 2:06.55 to take bronze.

SUBSCRIBE

Unlimited Digital AccessOnly 25¢for 6 months

ACT NOWSALE ENDS SOON | CANCEL ANYTIME