![Yassine Rachik from Italy running in the London Marathon 2019, in the final stage in front of Buckingham palace Stock Photo - Alamy Yassine Rachik from Italy running in the London Marathon 2019, in the final stage in front of Buckingham palace Stock Photo - Alamy](https://l450v.alamy.com/450v/t6ee1j/yassine-rachik-from-italy-running-in-the-london-marathon-2019-in-the-final-stage-in-front-of-buckingham-palace-t6ee1j.jpg)
Yassine Rachik from Italy running in the London Marathon 2019, in the final stage in front of Buckingham palace Stock Photo - Alamy
![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/3tQ6Wg89tlCgSNHyCirkZMOeMrQ=/1400x1050/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
![IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian](https://i.guim.co.uk/img/media/278bf5db6b5a9f9ccb47f686bc3a94c9e7c9495b/326_192_1100_660/master/1100.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=41bcaaf0ab1aa79734de7bacb28d84a3)
IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
![Nike's sub-two-hour marathon shoe doesn't look the way you think it should - Canadian Running Magazine Nike's sub-two-hour marathon shoe doesn't look the way you think it should - Canadian Running Magazine](https://runningmagazine.ca/wp-content/uploads/2017/03/Nike-Zoom-Vaporfly-4_4-1024x454.jpg)