Guide: Flexible vs. Stiff Running Shoes

Why are stiff running shoes getting the spotlight? Why do runners flex and twist shoes in running stores? How is stiffness related to your running performance? 20+ hours of research is summarised in this guide - covering both scientific studies, authoritative articles and our lab data. Choose flexible running shoes if you are looking for comfort and shoes for long runs. Most daily trainers focus on flexibility. Choose stiff running shoes if you want to improve your run[…]

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