80/20 ENDURANCE BLOG

woman having speed training workout

New Workout: Billat’s Analog Windup

By Matt Fitzgerald | June 29, 2020

Like many other endurance athletes, I’m adapting to the COVID-19 era by the seat of my pants, seeking ways to…

Veronique Billat

Book Review: The Science of the Marathon

By Matt Fitzgerald | June 22, 2020

I first discovered the work of Veronique Billat in 2002, when I was working on my book The Cutting-Edge Runner.…

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