![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://c02.purpledshub.com/uploads/sites/41/2021/08/SP20_FOOTWEAR_ALPHAFLY_detail7_original_original-crop-66ba908.jpg?webp=1&w=1200)
Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics - BBC Science Focus Magazine
![Nike Vaporfly running shoe which helped break Paula Radcliffe's record set to be BANNED | Daily Mail Online Nike Vaporfly running shoe which helped break Paula Radcliffe's record set to be BANNED | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/01/14/20/23399218-0-image-a-6_1579035026113.jpg)
Nike Vaporfly running shoe which helped break Paula Radcliffe's record set to be BANNED | Daily Mail Online
![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/CoWhAh9S-FjXXhJoevQp7pCQcF0=/0x0:4664x3104/1200x800/filters:focal(2260x1658:3006x2404)/cdn.vox-cdn.com/uploads/chorus_image/image/65615828/947441286.jpg.0.jpg)
Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
![Nike's Vaporfly shoes are fine - but the sport's integrity is at stake if their next version is not banned Nike's Vaporfly shoes are fine - but the sport's integrity is at stake if their next version is not banned](https://www.telegraph.co.uk/content/dam/athletics/2020/01/28/TELEMMGLPICT000221552234_trans_NvBQzQNjv4BqMGqotqQWTX5jPM9-BXkGCWY1ymtwWO1djvje8pq3aDI.jpeg?imwidth=680)
Nike's Vaporfly shoes are fine - but the sport's integrity is at stake if their next version is not banned
![Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be banned due to super Controversial Nike Vaporfly shoes worn by Kipchoge for fastest-ever marathon to be banned due to super](https://www.thesun.co.uk/wp-content/uploads/2020/01/SPORT-PREVIEW-Nike-Vaporfly.jpg?strip=all&quality=100&w=1080&h=1000&crop=1)