![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)
Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
![New shoe makes running 4 percent easier, 2-hour marathon possible, study shows | CU Boulder Today | University of Colorado Boulder New shoe makes running 4 percent easier, 2-hour marathon possible, study shows | CU Boulder Today | University of Colorado Boulder](https://www.colorado.edu/today/sites/default/files/styles/medium/public/article-image/marathon_shoes.cc12_0.jpg?itok=-I36ArDc)
New shoe makes running 4 percent easier, 2-hour marathon possible, study shows | CU Boulder Today | University of Colorado Boulder
![The connection between Nike, Marathons, and Ancient Greece | by Syed Adil | Five Guys Facts | Medium The connection between Nike, Marathons, and Ancient Greece | by Syed Adil | Five Guys Facts | Medium](https://miro.medium.com/max/645/1*GxxNPcNxSR_Iz7RQouX9xw.png)
The connection between Nike, Marathons, and Ancient Greece | by Syed Adil | Five Guys Facts | Medium
![Just Missed It. Marathoner Comes Up Short On World Record After Nikes Malfunction : The Two-Way : NPR Just Missed It. Marathoner Comes Up Short On World Record After Nikes Malfunction : The Two-Way : NPR](https://media.npr.org/assets/img/2015/09/28/marathon-one-636d2b8e5935641c5e08e84a7b8eceb837d733a9-s1100-c50.jpg)