AdvertisementPhelps And Franklin Add To Their Medal Totals, And A New Teen Phenom EmergesAugust 03, 2012Bill ChappellfacebookEmailAmerican Katie Ledecky seemed to be in disbelief as she hugged bronze medalist Rebecca Adlington of Great Britain. Ledecky, 15, won the women's 800m freestyle by four seconds in London. (Getty Images)