![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://c8.alamy.com/comp/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)
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
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Nike Vaporfly Shoes Helped Eliud Kipchoge Run a Marathon in Under 2 Hours. Should They Be Banned? | Inc.com
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World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian
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Nike's sub-two-hour marathon shoe doesn't look the way you think it should - Canadian Running Magazine
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