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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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IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
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Nike Vaporfly: 'Faster' running shoes will be allowed, World Athletics chiefs say | World News | Sky News
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Nike's controversial Vaporfly shoe that set records with 'built in secret weapon' might be banned - YouTube
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