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Nike avoids Vaporfly running-shoe ban 
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Record-Breaking Running Shoes Could 
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Nike Alphafly Sneakers Will Also Avoid
Vaporfly shoes face a potential ban 
Nike Vaporfly ban: why World Athletics /cdn.vox-cdn.com/uploads/chorus_image/image/65615828/947441286.jpg.0.jpg)
Nike's high-tech Vaporfly sneakers help 
What is the Nike Vaporfly? And will the 
World Athletics Nike AlphaFly Ban 
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