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World Athletics claims there was no Nike 'tip off' about shoe regulations - Canadian Running Magazine
Nike Vaporfly: Athletic shoe so good, World Athletics could ban it | news.com.au — Australia's leading news site
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World Athletics claims there was no Nike 'tip off' about shoe regulations - Canadian Running Magazine
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Nike Vaporflys: World Athletics set to clamp down on 'technological doping' | The Independent | The Independent
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