Kenya's Pamela Jelimo celebrates after winning the women's 800m final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. AFP PHOTO / GABRIEL BOUYS
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Kenya's Hellen Obiri celebrates after winning the women's 3000m final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. AFP PHOTO / GABRIEL BOUYS
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Athletes compete in the men's 3000m final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. AFP PHOTO / GABRIEL BOUYS
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Athletes compete in the men's 3000m final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. AFP PHOTO / GABRIEL BOUYS
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Bernard Lagat of the US (C) celebrates as he wins the men's 3000m final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. AFP PHOTO / GABRIEL BOUYS
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Bernard Lagat of the US (C) reacts as he approaches the finish line to win the men's 3000m final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. AFP PHOTO / GABRIEL BOUYS
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Bernard Lagat of the US (C) reacts as he wins the men's 3000m final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. AFP PHOTO / GABRIEL BOUYS
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Bernard Lagat of the US celebrates after winning the gold medal in the men's 3000m at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. AFP PHOTO / GABRIEL BOUYS