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Athletics - Chicago Marathon - Chicago, Illinois, United States - October 13, 2019 Kenya's Brigid Kosgei, wearing Nike Vaporfly
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World Athletics to tighten regulations on shoe technology after Nike's Vaporfly helps records tumble, say sources-Sports News , Firstpost
Nike Vaporfly escape Tokyo 2020 ban but what can runners learn from cycling and swimming about 'technological doping'? | South China Morning Post
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Nike ZoomX Vaporfly: What are the shoes Eliud Kipchoge wore in Ineos 1.59 marathon and why are they controversial? | The Independent | The Independent
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Nike's $250 'Vaporfly' running shoe under investigation after record marathon performances | Fox Business
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Nike Vaporfly, bye-bye? New Adidas Adizero Adios Pro running shoes broke a world record ALREADY | T3
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