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World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian
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ROME, ITALY, JUNE 23. 2020: Nike Running Shoes ALPHAFLY NEXT . Controversial Green, Black Athletics Marathon Shoe. Detail on Air Editorial Image - Image of athletic, green: 188352400
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World Athletics Announces New Shoe Rules; Nike Alphaflys Are Banned But Vaporflys and Next% Are Ok - LetsRun.com
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ROME, ITALY, JUNE 23. 2020: Nike running shoes ALPHAFLY NEXT%. Controversial green, black athletics marathon shoe. Detail on Air Zoomx foam, Air zoom Stock Photo - Alamy
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Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
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IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
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