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IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
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Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
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Two hour marathon: Furore erupts over Nike Vaperfly shoe worn by Eliud Kipchoge | news.com.au — Australia's leading news site
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Nike Vaporfly Shoes Helped Eliud Kipchoge Run a Marathon in Under 2 Hours. Should They Be Banned? | Inc.com
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Nike Vaporfly running shoe which helped break Paula Radcliffe's record set to be BANNED | Daily Mail Online
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