Kendrick Farris of the United States competes in the Mens 85kg Weightlifting.

Laurence Griffiths/Getty Images

Koji Murofushi of Japan competes during the Men's Hammer Throw qualification.

Alexander Hassenstein/Getty Images

Yang Sun of China competes in the Men's 1500m Freestyle heat 4.

Clive Rose/Getty Images

Feng Ding of China competes in the Men's 25m Rapid Fire Pistol Shooting.

Lars Baron/Getty Images

Francena McCorory of the United States (left) and Christine Ohuruogu of Great Britain compete in the Women's 400m Heats.

Michael Steele/Getty Images

Dee Dee Trotter of the United States competes in the Women's 400m HeatsDee Dee Trotter of the United States competes in the Women's 400m Heats.

Stu Forster/Getty Images

In this handout photo finish image supplied by Omega, Jessica Ennis of Great Britain wins the Women's Heptathlon 100m Hurdles Heat 5.

Omega via Getty Images

Dani King, Laura Trott and Joanna Rowsell of Great Britain compete as they set a new world record in the Women's Team Pursuit Track Cycling qualifying.

Bryn Lennon/Getty Images

Nan Zhang (L) and Yunlei Zhao of China celebrate winning the Mixed Doubles Badminton Gold Medal match against compatriots Chen Xu and Jin Ma of China

Chris McGrath/Getty Images

Khalil Mahmoud K Abir Abdelrahman of Egypt fails to complete a lift during the Women's 75kg Weightlifting Final.

Rob Carr/Getty Images

Mahe Drysdale of New Zealand celebrates winning the gold medal for the men's rowing single sculls on Day 7 of the London 2012 Olympic Games at Eton Dorney.

IOPP Pool /Getty Images

Jessica Ennis of Great Britain competes in the Women's Heptathlon High Jump.

Ivan Walton/Getty Images

Roger Federer of Switzerland celebrates his 4-6, 7-6, 19-17 win over Juan Martin Del Potro of Argentina in the Semifinal of Men's Singles Tennis.

Clive Brunskill/Getty Images

Jessica Ennis of Great Britain competes in the Women's Heptathlon High Jump.

Michael Steele/Getty Images

Marlena Wesh of Haiti (L) smiles after competing in the Women's 400m Heats.

Stu Forster/Getty Images

Sara Goller of Germany serves during the Women's Beach Volleyball Round of 16 match between Germany and Germany.

Ryan Pierse/Getty Images

Dani King, Laura Trott and Joanna Rowsell of Great Britain compete as they set a new world record in the Women's Team Pursuit Track Cycling qualifying.

Bryn Lennon/Getty Images

Serena Williams of the United States serves the ball to Victoria Azarenka of Belarus in the Semifinal of Women's Singles Tennis.

Clive Brunskill/Getty Images

Natalia Shipilova #15 of Russia shoots the ball during the Women's Handball Preliminaries Group A match between Russia and Brazil.

Jeff Gross/Getty Images

Alexis Vastine of France (R) in action with Tuvshinbat Byamba of Mongolia during the Men's Welter (69kg).

Scott Heavey/Getty images

Francesca Dallape of Italy competes in the Women's 3m Springboard Diving Preliminary Round.

Al Bello/Getty Images

Thuraia Sobh of Syrian Arab Republic competes in the Womens 75kg Weightlifting.

Laurence Griffiths/Getty Images

Bruna of Brazil tangles with Yuki Ogimi of Japan during the Women's Football Quarter Final match between Brazil and Japan.

Mike Hewitt/Getty Images

Hamish Bond and Eric Murray of New Zealand celebrate after winning gold in the Men's Pair final.

Phil Walter/Getty Images

Yasuhiro Ueyama of Japan competes on the Men's Trampoline.

Ronald Martinez/Getty Images