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Nike stirs the pot with 'gamechanger' running shoe in step with new rules | Athletics | The Guardian
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Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
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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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Nike stirs the pot with 'gamechanger' running shoe in step with new rules | Athletics | The Guardian
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