Missy Franklin has hundreds of trophies and medals around her home in Centennial. After she set her first world record last year—in the 200-meter, shortcourse backstroke—she pinned the medal on a wall in one of her rooms. "I said, 'That's a nice medal, Missy, where'd you get that one?' " her dad remembers. "Missy looked at me and said, 'Oh, that's the world record, Dad.' "