![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
![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/0270bdd4608c91dd330b91b1ef8f8eaf65c93b37/355_972_4333_2600/master/4333.jpg?width=460&quality=85&auto=format&fit=max&s=b40c510b4efdd5db16f0c54a0a55a660)
Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
![Eliud Kipchoge denies platform Nike shoes violate the spirit of sport | London Marathon | The Guardian Eliud Kipchoge denies platform Nike shoes violate the spirit of sport | London Marathon | The Guardian](https://i.guim.co.uk/img/media/a8624aab5270b96f3f3627567cefd203a4d82c4e/0_58_1140_684/master/1140.jpg?width=620&quality=85&fit=max&s=9445c786acebf9be931b10251f1c70d2)
Eliud Kipchoge denies platform Nike shoes violate the spirit of sport | London Marathon | 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/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
![Nike Vaporfly, bye-bye? New Adidas Adizero Adios Pro running shoes broke a world record ALREADY | T3 Nike Vaporfly, bye-bye? New Adidas Adizero Adios Pro running shoes broke a world record ALREADY | T3](https://cdn.mos.cms.futurecdn.net/fjCsaRYTxUEdCSHzBQmDB6-1200-80.jpg)