![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)
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/Alamy_2F3Y8J0-crop-ff47efc.jpg?quality=90&resize=768,574)
Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
![18 Best Nike Running Shoes for Men in 2021 to Help You Conquer the Track, the Trail, and Beyond | GQ 18 Best Nike Running Shoes for Men in 2021 to Help You Conquer the Track, the Trail, and Beyond | GQ](https://media.gq.com/photos/60edfbcc1fe703af2a24192c/64:25/w_1984,h_775,c_limit/nike-running.jpg)
18 Best Nike Running Shoes for Men in 2021 to Help You Conquer the Track, the Trail, and Beyond | GQ
![Nike Model Odyssey React Shield 2 Man Testing before Marathon Run Editorial Photo - Image of leather, lifestyle: 165497066 Nike Model Odyssey React Shield 2 Man Testing before Marathon Run Editorial Photo - Image of leather, lifestyle: 165497066](https://thumbs.dreamstime.com/z/nike-model-odyssey-react-shield-man-testing-marathon-run-paris-france-oct-professional-runner-preparing-to-next-165497066.jpg)