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Glen Cottingley on Twitter: "The fact that the shoes were *secretly* debuted in Kara's race, then *disguised* to look like Nike's existing marathon running shoes at the Rio Olympics, says all you
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It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian
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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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Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
![The Great Shoe War has switched lanes to the track but Nike still leads the field | Athletics | The Guardian The Great Shoe War has switched lanes to the track but Nike still leads the field | Athletics | The Guardian](https://i.guim.co.uk/img/media/8dd989f70bc471a8dd2970d87c5338501bb88af1/202_231_3187_1912/master/3187.jpg?width=1200&quality=85&auto=format&fit=max&s=60a457f5870eb1cad4de202914d271db)
The Great Shoe War has switched lanes to the track but Nike still leads the field | Athletics | The Guardian
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