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Nike's controversial Vaporfly shoes powered the world's 2 fastest marathoners to victory. When I tried them, it felt like running on rocking horses. | BusinessInsider India
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Nike Alphafly marathon shoes cleared for competition; Eliud Kipchoge's sub-2 shoes meet thickness standard - NBC Sports
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Nike's sub-two-hour marathon shoe doesn't look the way you think it should - Canadian Running Magazine
![In this Oct. 12, 2019 photo, marathon runner Eliud Kipchoge from Kenya, white vest, wearing Nike AlphaFly prototype running shoe, and his pacemaking team, wearing pink Nike Vaporfly shoes, run during the In this Oct. 12, 2019 photo, marathon runner Eliud Kipchoge from Kenya, white vest, wearing Nike AlphaFly prototype running shoe, and his pacemaking team, wearing pink Nike Vaporfly shoes, run during the](https://l450v.alamy.com/450v/2mh22n9/in-this-oct-12-2019-photo-marathon-runner-eliud-kipchoge-from-kenya-white-vest-wearing-nike-alphafly-prototype-running-shoe-and-his-pacemaking-team-wearing-pink-nike-vaporfly-shoes-run-during-the-ineos-159-challenge-attempt-to-run-a-sub-two-hour-marathon-in-vienna-austria-nike-has-a-new-racing-shoe-the-air-zoom-alphafly-next-which-was-unveiled-at-a-flashy-fashion-show-in-new-york-on-wednesday-night-feb-5-2020-kipchoge-wore-a-prototype-of-the-shoe-when-he-ran-the-worlds-first-sub-2-hour-marathon-in-an-unofficial-race-in-october-ap-photoronald-zak-file-2mh22n9.jpg)