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Speed Queen - Day eight of the 2012 Summer Olympics brought strong performances from British and American swimmers and runners. Carmelita Jeter of the United States celebrates winning the silver in the women's 100m Final.  (Photo: Jamie Squire/Getty Images)

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Superstar - Serena Williams beat Maria Sharapova in women's singles tennis 6-0, 6-1.(Photo: AP Photo/Elise Amendola)

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Going for Gold - Venus Williams and Serena Williams wave to the crowd after defeating Maria Kirilenko and Nadia Petrova of Russia in their women's doubles tennis semifinal match.(Photo: Clive Brunskill/Getty Images)

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Great Ennis - Jessica Ennis of Great Britain won gold at the women's heptathlon 800m. (Photo: Michael Steele/Getty Images)

Photo By Photo: Michael Steele/Getty Images

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Outpacing the Competition - Jamaica's Shelly-Ann Fraser-Pryce crosses the line to win the gold ahead of Blessing Okagbare of Nigeria, silver medalist Carmelita Jeter of the United States and bronze medalist Veronica Campbell-Brown of Jamaica in the women's 100m final.(Photo: Paul Gilham/Getty Images)

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Go Jamaica! - Shelly-Ann Fraser-Pryce celebrates her win.(Photo: Alexander Hassenstein/Getty Images)

Photo By Photo: Alexander Hassenstein/Getty Images

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Proud American - Missy Franklin of the U.S. celebrates winning the women's 4x100m medley relay. (Photo: Ronald Martinez/Getty Images)

Photo By Photo: Ronald Martinez/Getty Images

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The Phelps Machine - In his final race at the London Olympics, Michael Phelps won gold in the men's 4x100m medley relay final.(Photo: Al Bello/Getty Images)

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Another Honor for Phelps - Michael Phelps receives a special award presented by FINA, the international governing body of swimming, for his career achievements.(Photo: Jeff Gross/Getty Images)

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Long Jump - Will Claye of the United States won the bronze medal in the men's long jump final.(Photo: Stu Forster/Getty Images)

Photo By Photo: Stu Forster/Getty Images

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Hoop Dreams - Pops Mensah-Bonsu of Great Britain scores during the men's basketball preliminary round match between Great Britain and Australia.(Photo: Timothy A. Clary - IOPP Pool /Getty Images)

Photo By Photo: Timothy A. Clary - IOPP Pool /Getty Images

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In the Pack - Mohamed Farah is part of the pack before breaking out to win the men's 10,000m final.(Photo: Jamie Squire/Getty Images)

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Standing Tall - Mohamed Farah of Great Britain celebrates winning gold in the men's 10,000m final. (Photo: Lars Baron/Getty Images)

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Great Fans - Fans enjoy the atmosphere on day eight of the Olympic Games.(Photo: Streeter Lecka/Getty Images)

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Going in Circles - Azizulhasni Awang, center, of Malaysia wins ahead of Hersony Canelon of Venezuela and Seiichiro Nakagawa of Japan in the men's sprint track cycling 1/8 final repechages at the Velodrome.(Photo: Bryn Lennon/Getty Images)