![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
![IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian](https://i.guim.co.uk/img/media/278bf5db6b5a9f9ccb47f686bc3a94c9e7c9495b/326_192_1100_660/master/1100.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=55e85394b57520d2363ab947d6a2b21e)
IAAF steps up investigation into fears over springs in Nike running shoes | 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_2F3Y8J0-crop-ff47efc.jpg?quality=90&resize=960,413)
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 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)