![Weekend lineup. Nike Alphafly for parkrun tomorrow and Adidas Boston 10 for Sunday's long run. Happy new year everyone. : r/RunningShoeGeeks Weekend lineup. Nike Alphafly for parkrun tomorrow and Adidas Boston 10 for Sunday's long run. Happy new year everyone. : r/RunningShoeGeeks](https://preview.redd.it/uqmm7h75yu881.jpg?auto=webp&s=80fa7d3fd8e8d3512089a314a7c677f49499ac60)
Weekend lineup. Nike Alphafly for parkrun tomorrow and Adidas Boston 10 for Sunday's long run. Happy new year everyone. : r/RunningShoeGeeks
![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=90&resize=700,525)
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=940,400)