Do high-tech running shoes boost speed

Initial tests have shown that the Puma Fast-Arrow Nitro Elite 3 shoe contributes to improving running efficiency by approximately 3.1 to 3.6 percent compared to competing marathon shoes, potentially enabling runners to significantly reduce their times. The shoe was tested in an independent laboratory at the University of Massachusetts, and the results confirmed that it could allow marathon runners to cut about four and a half minutes from their race time. The company promotes the shoe backed by scientific studies, despite criticisms pointing to limited testing protocols and potential conflicts of interest.

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