Sweden's Sarah Sjostrom set a world record for the women's 100 metres butterfly at the world championships on Sunday.
Swimmer Michael Phelps won his 17th Olympic medal to take him closer to the all-time mark, but his US freestyle relay team were upstaged by France as records fell in the pool on Sunday's second day of competition at the London Games.
The United States won its 1,000th Olympic gold medal on Saturday when the American women's 4x100 metre medley relay team clinched victory at the Rio Games.
Australia's women, powered by sisters Bronte and Cate Campbell, beat the United States and Canada to win the Olympic 4x100 metres freestyle relay in world record time on Saturday, retaining the title they won in London four years ago.
Michael Phelps won the 19th gold medal of his Olympic swimming career on Sunday after helping the US men's team to victory in the 4x100 metres freestyle relay.
Drysdale wins close single sculls gold Also, check out late gold medal winners from Day 7...