![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)
Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
![World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian](https://i.guim.co.uk/img/media/8dd989f70bc471a8dd2970d87c5338501bb88af1/142_217_3250_1951/500.jpg?quality=85&auto=format&fit=max&s=28a889d4d4f52611f78c12318ab40c74)
World Athletics denies tipping off Nike over new running-shoe regulations | Athletics | The Guardian
![Nike's controversial Vaporfly shoe that set records with 'built in secret weapon' might be banned - YouTube Nike's controversial Vaporfly shoe that set records with 'built in secret weapon' might be banned - YouTube](https://i.ytimg.com/vi/VA0Flp8cDhw/mqdefault.jpg)
Nike's controversial Vaporfly shoe that set records with 'built in secret weapon' might be banned - YouTube
![Too much spring in their step? Nike running shoe under scrutiny after record marathon times – GeekWire Too much spring in their step? Nike running shoe under scrutiny after record marathon times – GeekWire](https://cdn.geekwire.com/wp-content/uploads/2019/10/Screen-Shot-2019-10-18-at-9.16.56-AM-630x352.png)
Too much spring in their step? Nike running shoe under scrutiny after record marathon times – GeekWire
![Former marathon world record holder says hi-tech shoes are 'like doping' and calls for ban | The Independent Former marathon world record holder says hi-tech shoes are 'like doping' and calls for ban | The Independent](https://static.independent.co.uk/2021/04/30/13/GettyImages-1278394511.jpg?quality=75&width=640&auto=webp)