![Nike NEXT%: Marathon running shoe so good it became controversial has been improved, company says | The Independent | The Independent Nike NEXT%: Marathon running shoe so good it became controversial has been improved, company says | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2019/04/24/07/nike.jpg?width=1200)
Nike NEXT%: Marathon running shoe so good it became controversial has been improved, company says | The Independent | The Independent
![World Athletics Announces New Shoe Rules; Nike Alphaflys Are Banned But Vaporflys and Next% Are Ok - LetsRun.com World Athletics Announces New Shoe Rules; Nike Alphaflys Are Banned But Vaporflys and Next% Are Ok - LetsRun.com](https://www.letsrun.com/wp-content/uploads/2019/12/vaporfly.jpg)
World Athletics Announces New Shoe Rules; Nike Alphaflys Are Banned But Vaporflys and Next% Are Ok - LetsRun.com
![Nike Vaporfly: Record-setting running shoe could avoid IAAF competition ban, report says | Fox Business Nike Vaporfly: Record-setting running shoe could avoid IAAF competition ban, report says | Fox Business](https://static.foxbusiness.com/foxbusiness.com/content/uploads/2019/10/Nike-Vaporfly.jpg)
Nike Vaporfly: Record-setting running shoe could avoid IAAF competition ban, report says | Fox Business
![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/f5670c6db81bb06a5192775ad68df5503dafde3e/1191_273_2309_1386/master/2309.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=f0a9eb842cad09baac87d9c701bd3b0f)
Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
![Nike Vaporfly: Record-setting running shoe could avoid IAAF competition ban, report says | Fox Business Nike Vaporfly: Record-setting running shoe could avoid IAAF competition ban, report says | Fox Business](http://media.foxbusiness.com/BrightCove/854081161001/201907/1744/854081161001_6054911442001_6054907166001-vs.jpg)
Nike Vaporfly: Record-setting running shoe could avoid IAAF competition ban, report says | Fox Business
![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/Alamy_2F3Y8J0-crop-ff47efc.jpg?w=1029&webp=1)