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Insole Quandary

There are two kinds of athletes when it comes to insoles. Those that buy new shoes and never change the stock insoles, even when they

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The State of Ultra Running 2020

Paul Ronto, an ultra-runner and a staff writer at RunRepeat.com, with Vania Nikolova, Ph.D. in mathematics, and the International Association of Ultrarunners (IAU), just released

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