The Shoe So Good the Olympics Declared It Cheating

A video on YouTube. In Explainers, a Krater category.

Summary by Krater

This video examines the controversy surrounding Nike Vaporfly running shoes, analyzing their energy return, Pebax foam, and carbon fiber plate technology, and discusses World Athletics' 2020 rule changes regarding midsole thickness.

From the video

Answers: Are Nike Vaporfly shoes an unfair advantage in running?

Nike Vaporfly running shoes
shoe technology and energy return
World Athletics regulations on footwear
technological doping in sports

What it concludes

Nike Vaporfly shoes return about 85 percent of energy to the runner.
Pebax foam and a carbon fiber plate provide a perfect balance of compliance and resilience.
Vaporfly shoes have been shown to improve a runner's overall efficiency by 4 percent.
World Athletics limited midsole thickness to a maximum of 40mm and allowed for no more than one stiff plate.
Core Vaporfly products remained legal under the new World Athletics regulations.

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