Sport: 24 hours in pictures

A Free Runner jumps from a Lion statue during the media launch of the World Freerun Championships at Trafalgar Square Photograph: Ryan Pierse/Getty Images

A prosthesis is left behind on a pier as 1,800 people take part in the annual public swimming event across Lake Zurich Photograph: Christian Hartmann/Reuters

Heads bob on the lake as competitors attempt to complete the 1,450m crossing Photograph: Christian Hartmann/Reuters

Great grandmother Ruth Frith, who is about to turn 100, demonstrates her skill at shot-putting at a special event in Sydney to mark 100 days to go until the 2009 World Masters Games Photograph: Greg Wood/AFP/Getty Images

Montreal Alouettes' players Matthieu Proulx and Anwar Stewart tackle Calgary Stampeders' Titus Ryan causing him to fumble the ball during the first half of their CFL football game in Calgary, Alberta Photograph: Todd Korol/Reuters

Venus Williams of the USA serves during the ladies' doubles quarter-final at Wimbledon in which she played with her sister Serena against Anna-Lena Groenefeld of Germany and Vania King of the USA Photograph: Hugo Philpott/EPA

Wallabies coach Robbie Deans is interviewed during an Australian Rugby Union press conference at ARU Headquarters in Sydney, Australia Photograph: Cameron Spencer/Getty Images

Dentinho of Corinthians, centre, leaps acrobatically for the ball with Danny Morais and Gadyson of Internacional during the final match of Brazil's Cup at Beira Rio Stadium in Porto Alegre Photograph: Jefferson Bernardes/AFP/Getty Images