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Nike's Latest Sub-Two-Hour Marathon Attempt, the Zoom Vaporfly 4%, Gets a Release Date - WearTesters
Nike Vaporfly shoe controversy sparks World Athletics to introduce new rules ahead of Tokyo 2020 Olympics - ABC News
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IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
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Nike Vaporfly: 'Faster' running shoes will be allowed, World Athletics chiefs say | World News | Sky News
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Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
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