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Record breaking Nike sneaker sparks competitive advantage debate ahead of New York City Marathon | Fox News
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Eliud Kipchoge's footwear sparks debate as critics say the shoes give runners an 'unfair advantage' | Daily Mail Online
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Record breaking Nike sneaker sparks competitive advantage debate ahead of New York City Marathon | Fox News
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Nike Zoom Vaporfly Elite Flyprint Chicago/NYC Marathon/Tokyo 2019 in 2020 | Tokyo marathon, Nike, Nyc marathon
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Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
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