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World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian
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Vaporfly shoes will help me reach my marathon dream. Should I use them? | Marathon running | The Guardian
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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BANGKOK, THAILAND, MARCH 7. 2020: Nike running shoes Vaporfly NEXT%. Controversial Athletics marathon shoe, Ekiden Color version, Detail view on Zoom foam and Nike Flyknit uppers, Stock Photo | Adobe Stock
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