Swimming - day seven in pictures

American Gary Hall Jr. flexes for the crowd prior to competing in the men's 50m freestyle final

The muscles worked - Hall Jr. tied for gold with fellow American Anthony Ervin (left)

Inge De Bruijn of the Netherlands smashed the world record in the semi-final of the women's 50m freestyle

Paula Barila Bolopa completes a unique double for Equatorial Guinea by swimming the slowest race in Olympic history

Australian Michael Klim powers to silver in the mens 100m butterfly final

100m butterfly gold medal winner Lars Froelander with Australia's Geoff Huegill (bronze) and Michael Klim (Silver)

American Brooke Bennett on her way to gold in the women's 800m freestyle final