World C'ships: US teen Ledecky betters own 1500m freestyle world mark

Katie Ledecky from US celebrates after setting a new World Record in the women's 1500m freestyle heats at the Aquatics World Championships in Kazan, Russia on August 3. Photograph: Stefan......

PHOTOS: American teenagers Ledecky, Franklin sizzle at Worlds

American teenager Katie Ledecky smashed the world record in the women's 1,500 metres freestyle final by more than six seconds during a glittering session for the United States at the world......

World record for American Hardy

American Jessica Hardy kept the world records flowing at the world short-course championships with a sparkling victory in the women's 50 metres breaststroke on Thursday. Hardy, who won the world......

Phelps steals show as world records tumble

American Michael Phelps smashed Ian Thorpe's 200 metres freestyle world record on an extraordinary evening at the world championships on Tuesday. Four world records tumbled in the space of 90......

Crocker sets world record to beat Phelps

Ian Crocker demolished the world record to win the 100 metres butterfly at the world swimming championships on Saturday and ruin Michael Phelps's dream of winning six gold medals.Crocker stormed......