![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
Nike ZoomX Vaporfly: What are the shoes Eliud Kipchoge wore in Ineos 1.59 marathon and why are they controversial? | The Independent | The Independent
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Nike Vaporfly: Why shoe worn by Kipchoge, Kosgei in record runs faces ban - The Standard Entertainment
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Nike Vaporfly trainers worn by Eliud Kipchoge and Brigid Kosgei are form of 'technical doping' | Sport | The Times
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