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Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
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Nike stirs the pot with 'gamechanger' running shoe in step with new rules | Athletics | The Guardian
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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
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Eliud Kipchoge denies platform Nike shoes violate the spirit of sport | London Marathon | The Guardian
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Why are some shoes banned in running? Vienna City Marathon follows strict IAAF rules on sole thickness | South China Morning Post
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Materials for Shoes That Helped to Break The World Marathon Record - Materials and Engineering Resources - Matmatch
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Too much spring in their step? Nike running shoe under scrutiny after record marathon times - GeekWire
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