This Shoe is So Good the Olympics Declared It Cheating
by Ashley Dreiling
In 2019, long-distance runner Eliud Kipchoge ran the marathon in under 2 hours, shattering all known records, wearing Nike Vaperfly shoes. Soon people wondered how much Kipchoge’s triumph had to do with his running talent versus his running shoes.
Modern running shoes have three main parts. The upper needs to fit securely, the sturdy outsole hits the ground, and the midsole is where all the action, and controversy, happens. Learn about energy return in the midsole and why some believe it gives runners an unfair competitive advantage.
Channels: INFORMATIVE
Tags: · compliance, efficiency, Eliud Kipchoge, energy return, IIAF, marathon, midsole, nike, Nike Vaperfly, olympics, outsole, Pebax foam, physics, resilience, running, running shoe, running shoes, top, upper, World Athletics, ZoomX foam
Trending on TwistedSifter

‘There was 100% an offer.’ A Woman Moved From Florida To Virginia For A Job And Then Found Out She Hadn’t Been Hired
