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Track and field: David Rudisha's 800m world record and Usain Bolt's sprint sweep rock Olympic Stadium - oregonlive.com
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David Epstein: World record leaves us wondering, how low can Rudisha go in 800? - Sports Illustrated
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Tokyo, Japan. 31st July, 2021. Olympic Women's 800 metres final, Finland's SARA KUIVISTO, 29, (bib number 1894) on way to breaking national record again after breaking in her last heat to make
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