By Wearing Vaporfly Prototypes, Eliud Kipchoge, Galen Rupp, & Shalane Flanagan Are All Guilty of Mechanical Doping in 2016 - Will Anything Be Done About It? - LetsRun.com
Nike Vaporfly trainers worn by Eliud Kipchoge and Brigid Kosgei are form of 'technical doping' | Sport | The Times
Nike ZoomX Vaporfly: What are the shoes Eliud Kipchoge wore in Ineos 1.59 marathon and why are they controversial? | The Independent | The Independent
Eliud Kipchoge Two-Hour Nike Shoes - Inside Look
Nike ZoomX Vaporfly: What are the shoes Eliud Kipchoge wore in Ineos 1.59 marathon and why are they controversial? | The Independent | The Independent
Nike Vaporfly ban: why World Athletics had to act against the high-tech shoes