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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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Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles – The US Sun | The US Sun
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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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Nike's controversial Vaporfly shoe that set records with 'built in secret weapon' might be banned - YouTube
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