The Science Behind Nike's New ZoomX Vaporfly Next% Marathon Shoe | WIRED
London, UK. 20 October 2020. The "Nike Zoom X Vaporfly NEXT%" running shoes by designers at Nike Sport Research, as worn by Eliud Kipchoge to break the two hour marathon barrier. Preview
London, UK. 17 May 2021. "Nike Air Zoom Alphafly NEXT%", 2020, and "Nike ZoomX Vaporfly NEXT%", 2019. Eliud Kipchoge wore prototype Alphafly to run a marathon distance in under two hours. Preview