Nike Vaporfly shoe controversy sparks World Athletics to introduce new rules ahead of Tokyo 2020 Olympics - ABC News
Nike Vaporfly shoes cleared for use after marathon controversy | news.com.au — Australia's leading news site
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IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
Two hour marathon: Furore erupts over Nike Vaperfly shoe worn by Eliud Kipchoge | news.com.au — Australia's leading news site
Nike Vaporfly shoe controversy sparks World Athletics to introduce new rules ahead of Tokyo 2020 Olympics - ABC News
Nike Vaporfly: Athletic shoe so good, World Athletics could ban it | news.com.au — Australia's leading news site
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