4 / 10

Misty May-Treanor, beach volleyball

What's next: May-Treanor says Wednesday's gold medal match was the last of her career. She intends to remain involved in beach volleyball in some capacity and to spend more time with close friend Walsh-Jennings off the court, but the sport will no longer consume her life. "It's time for me to be a wife," said May, who is married to Dodgers catcher Matt Treanor. "I want to be a mom and share time with my family. All of us as athletes sacrifice more on the family end than people realize. And it's getting back to that."

What’s next for 10 of the biggest stars of the 2012 London Olympics?

Here's a look at which of the breakout stars of the London Games we can expect back in Rio in 2016 and what they'll be doing during the four years in between. - By  Jeff Eisenberg, Yahoo! Sports