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Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
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The fastest shoes in the world? Nike and Adidas reveal shoes designed to shatter the 2-hour marathon record
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Nike ZoomX Vaporfly: What are the shoes Eliud Kipchoge wore in Ineos 1.59 marathon and why are they controversial? | The Independent | The Independent
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