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80/20 Endurance

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Training science, coaching, and the 80/20 method — from Matt Fitzgerald and the 80/20 Endurance coaching team.

  • Dying to Run, Episode 1: “Thirty-One Symptoms”

    Matt Fitzgerald has been a runner for almost his entire life, but his running days ended abruptly in 2020 when he developed long COVID, a post-viral chronic illness that makes it…

    Matt Fitzgerald ·

  • The Feeling of Ascending

    If you’re fluent in English and you’re more than ten years old, you’ve probably used the phrase “I live for” in conversation.

    Matt Fitzgerald ·

  • My Favorite Performance-Enhancing Drug Is . . .

    As a music lover, I have paid close attention to research on the effects of music in endurance athletes since I first became aware of it, perhaps twenty years ago.

    Matt Fitzgerald ·

  • There Is Only One Kind of Run

    How many different kinds of run are there? Well, it depends on how you define “kind.” If by “kinds of run” we mean run formats, the answer is that there are infinite kinds.

    Matt Fitzgerald ·

  • The Gift of Parker Valby

    Of the 254 athletes who competed in the 2023 NCAA Division I Women’s Cross Country Championship, the one who did the least running in preparation for the event (averaging just…

    Matt Fitzgerald ·

  • Pain and Performance

    How a Chance Encounter Blew My Mind and Transformed My Relationship with Pain and Injury Have you ever learned something that instantly validated a whole chunk of your experience…

    Matt Fitzgerald ·

  • Coming Soon: Endurance Mastery

    About a year ago, David Warden persuaded me to create an online course that would serve as an athlete-focused companion to the 80/20 Endurance coach certification program.

    Matt Fitzgerald ·