![Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles](https://www.thesun.co.uk/wp-content/uploads/2020/01/SPORT-PREVIEW-Nike-Vaporfly.jpg?strip=all&quality=100&w=1422&h=800&crop=1)
Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles
![Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian](https://i.guim.co.uk/img/media/88944abba122485af1bbcadbab61a324bb2ee3eb/1027_1999_2593_1556/500.jpg?quality=85&auto=format&fit=max&s=9b49dd972f66ec328cb2555342a5b026)
Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
![Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles](https://www.thesun.co.uk/wp-content/uploads/2020/01/NINTCHDBPICT000530328501.jpg)
Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles
![Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine](https://images.immediate.co.uk/production/volatile/sites/4/2021/08/SP20_FOOTWEAR_ALPHAFLY_detail7_original_original-crop-66ba908.jpg?quality=45&resize=1200,900)
Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
![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
![London, UK. 20 October 2020. A staff member views the "Nike Zoom X Vaporfly NEXT%" running shoes by designers at Nike Sport Research, as worn by Eliud Kipchoge to break the two London, UK. 20 October 2020. A staff member views the "Nike Zoom X Vaporfly NEXT%" running shoes by designers at Nike Sport Research, as worn by Eliud Kipchoge to break the two](https://c8.alamy.com/comp/2D6YF2H/london-uk-20-october-2020-a-staff-member-views-the-nike-zoom-x-vaporfly-next-running-shoes-by-designers-at-nike-sport-research-as-worn-by-eliud-kipchoge-to-break-the-two-hour-marathon-barrier-preview-of-the-beazley-designs-of-the-year-at-the-design-museum-in-kensington-the-most-innovative-designs-from-january-2019-to-the-moment-the-covid-19-pandemic-took-hold-are-on-display-21-october-to-28-march-2021-credit-stephen-chung-alamy-live-news-2D6YF2H.jpg)
London, UK. 20 October 2020. A staff member views the "Nike Zoom X Vaporfly NEXT%" running shoes by designers at Nike Sport Research, as worn by Eliud Kipchoge to break the two
![Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine](https://images.immediate.co.uk/production/volatile/sites/4/2021/08/Alamy_2F3Y8J0-crop-ff47efc.jpg?quality=90&resize=940,400)
Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
![Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian](https://i.guim.co.uk/img/media/8dd989f70bc471a8dd2970d87c5338501bb88af1/142_217_3250_1951/500.jpg?quality=85&auto=format&fit=max&s=28a889d4d4f52611f78c12318ab40c74)
Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
![Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles](https://www.thesun.co.uk/wp-content/uploads/2020/01/NINTCHDBPICT000554327533-e1579079445120.jpg)
Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be BANNED due to super springy soles
![Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian](https://i.guim.co.uk/img/media/0270bdd4608c91dd330b91b1ef8f8eaf65c93b37/355_972_4333_2600/master/4333.jpg?width=460&quality=85&auto=format&fit=max&s=b40c510b4efdd5db16f0c54a0a55a660)
Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
![Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine](https://images.immediate.co.uk/production/volatile/sites/4/2021/08/Alamy_2B29CW8-crop-cd4745c-1.jpg?quality=90&resize=700,402)