Usain Bolt wins Men's 200m Final, Norwich Union Grand Prix

Usain Bolt wins Men's 200m Final, Norwich Union Grand Prix

Misty May-Treanor fires up her team in the huddle.

Highlights of Kerri Walsh playing women's volleyball for Stanford University.

United States President George W. Bush greets Micheal Phelps and other Olympians.

Champion Michael Phelps holds a press conference after breaking Olympic swimming records.

United States Olympic swimmer Michael Phelps answers questions while swimming in a YMCA pool.

Jessica Ennis focusing on start line before Women's Heptathlon 100m Hurdles, 2006 Melbourne Commonwealth Games

Antonio Felicite (Mauritius) throws Justin Goosen (RSA) and wins by Ippon, wins bronze, Men's up to 100kg Bronze medal match, GMEX Centre, 2002 Manchester Commonwealth Games

Slow zoom in on Mark Lewis Francis (England) pulling up in agony with hamstring tear during Men's 100m final, 2002 Manchester Commonwealth Games

Ian Thorpe (Australia) swimming montage, 2002 Manchester Commonwealth Games

David Green receives Welsh flag from the crowd after winning the 400m Hurdles final at the Commonwealth Games 2010

England sprinters Marlon Devonish and Mark Lewis Francis fail to exchange baton on final leg of relay, Men's 4 x 100m Relay, 2006 Melbourne Commonwealth Games

Pan right following Australian cyclists celebrating sprint final in Manchester Velodrome during 2002 Manchester Commonwealth Games

Naazmi Johnston (Australia) makes patterns in air with ribbon, then throws it in air and catches it, Rhythmic Gymnastics Ribbon Final, 2006 Melbourne Commonwealth Games

Canada's Mark Boswell successfully clears 2.20m at first attempt, Men's High Jump, 2006 Melbourne Commonwealth Games

Jamaica's Asafa Powell bursts from starting blocks and into stride on way to winning Men's 100m Final, 2006 Melbourne Commonwealth Games

Hannah Chappell (England) throws club high in air, performs two forward rolls, catches club, then spins round crouched on one foot whilst twirling two clubs above head, Rhythmic Gymnastics Clubs Final, 2006 Melbourne Commonwealth Games

Victoria Pendleton (England) narrowly beats Anna Meares (Australia) to finish line to win gold medal, Women's Sprint Final, 2006 Melbourne Commonwealth Games

Sarah Lauren (Australia) performs double back flip on beam during Women's Team Gymnastics, 2002 Manchester Commonwealth Games

England sprinters Marlon Devonish and Mark Lewis Francis fail to exchange baton on final leg of relay, Men's 4 x 100m Relay, 2006 Melbourne Commonwealth Games

Victoria Pendleton (England) narrowly beats Anna Meares (Australia) to finish line, Women's Sprint Final Heat 1, 2006 Melbourne Commonwealth Games

Pavel Mamin (Australia) performs inverted cross on men's rings during Men's Team Gymnastics, 2002 Manchester Commonwealth Games

Grant Golding (Canada) performs double somersault on parallel bars during Men's Team Gymnastics, 2002 Manchester Commonwealth Games

New Zealand's Angela McKee successfully clears bar at 1.83m, Women's High Jump Final, 2006 Melbourne Commonwealth Games