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World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian
![Nike stirs the pot with 'gamechanger' running shoe in step with new rules | Athletics | The Guardian Nike stirs the pot with 'gamechanger' running shoe in step with new rules | Athletics | The Guardian](https://i.guim.co.uk/img/media/88944abba122485af1bbcadbab61a324bb2ee3eb/1027_1999_2593_1556/master/2593.jpg?width=465&quality=45&auto=format&fit=max&dpr=2&s=70fa60dcd6e300a4569835194b2923c3)
Nike stirs the pot with 'gamechanger' running shoe in step with new rules | Athletics | The Guardian
![It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian](https://i.guim.co.uk/img/media/cc8d03039454c146ddf523d17bce945e38b8b238/0_286_3204_2434/master/3204.jpg?width=465&quality=45&auto=format&fit=max&dpr=2&s=2381930ab7540ab49b466bfe7ce7d258)
It stretches the limits of performance': the race to make the world's fastest running shoe | Running | The Guardian
![Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox](https://cdn.vox-cdn.com/thumbor/C0qlm_jPHtw5MmpgxbFNpZ6D3SY=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/19339629/947441286.jpg.jpg)
Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
![American track star Allyson Felix launches her own shoe company two years after leaving Nike - CBSSports.com American track star Allyson Felix launches her own shoe company two years after leaving Nike - CBSSports.com](https://sportshub.cbsistatic.com/i/r/2016/08/16/18a0769d-3126-4010-8b86-ff3ac3411e6b/thumbnail/1200x675/befe3fc185541316e0e315bab34976c8/allysonfelix.jpg)
American track star Allyson Felix launches her own shoe company two years after leaving Nike - CBSSports.com
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