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It's Official: Nike's Vaporfly Shoe Technology and World Athletics' Shoe Rules Have Ruined The Marathon (At Least Temporarily) - LetsRun.com
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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 high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
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Running reaches crossroads as Nike-led footwear arms race infects mainstream | Athletics | The Guardian
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