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World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian
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World Athletics Announces New Rules for Footwear - Nike Solarsoft Mocassin SP Floral - Nike Vaporfly Shoe Ban
Sneaker companies loom large at World Athletics Championships: 'Lifeblood of the sport,' but for how long? - oregonlive.com
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World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian
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Nike Vaporflys: World Athletics set to clamp down on 'technological doping' | The Independent | The Independent
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