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Carmelita Jeter of the United States celebrates winning gold in world record time in the women's 4 x 100m Relay Final at the London 2012 Summer Olympics on August 10, 2012 in
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Olympics: U.S. women shatter world record and win gold medal in 4×100-meter relay – The Mercury News
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Usain Bolt of Jamaica celebrates winning the Men's 4 x 100M relay at the London 2012 Summer Olympics on August 11, 2012 in London. The Jamaican team won the gold with a
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