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80/20 Endurance Blog

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Book Review: Scientific Training for Endurance Athletes

By Matt Fitzgerald | March 22, 2022

When I was a younger man I used to shake my head in pity when reading the writings of endurance sports experts of a certain age. They tended to repeat the same things over and over, evidently because they had nothing new to say. Because they hadn’t learned anything new about their field of expertise […]

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Let’s Clear Up the Irrational Thinking Surrounding Fasted Workouts

By Matt Fitzgerald | March 15, 2022

Among the benefits of traveling internationally is that it gives you a different perspective on your own country. For example, in 2015 I spent two weeks in Kenya conducting research for my book The Endurance Diet, and it was there that I came to fully appreciate how screwed up America’s relationship with food is. As […]

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Training with a “Whatever Works” Mindset

By Matt Fitzgerald | March 8, 2022

In a recent blog post I mentioned that highly successful endurance athletes have a “whatever works” mindset. Today I’d like to expand on this concept and contrast it with a phenomenon that I call means attachment, which is common among less successful athletes. As the name suggests, means attachment entails becoming attached to particular means […]

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In Defense of Not Crying

By Matt Fitzgerald | February 25, 2022

When I was fourteen years old I suffered a catastrophic knee injury during a soccer game. I didn’t even know what an ACL was until the orthopedic surgeon who patched me up (sounding more impressed than sympathetic) explained that I had torn mine clean off the bone. What I did know, well before I received […]

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All About (Intensity) Balance

By Matt Fitzgerald | February 22, 2022

Billy Sperlich is one of the world’s leading experts in the area of training intensity distribution (TID) in endurance sports. I’ve often cited his research, which he conducts out of the University of Würzburg, in my books, articles, and blog posts. Recently, Sperlich released a series of eleven tweets summarizing the “experiences and takeaways” he’s […]

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Advice for Aging Athletes: Assume Nothing

By Matt Fitzgerald | February 11, 2022

On January, 22, 2020, five days after thirty-eight year old Sara Hall set a new American record of 1:07:15 for the half marathon, Women’s Running magazine published an article titled “Sara Hall Shares 7 Keys to Her Longevity of Excellence.” For your convenience, I have copied the article’s section headings, which neatly summarize Hall’s secrets, […]

Taco Bell Battles for 80/20 Endurance Athletes with $10 Subscription Service

By David Warden | January 23, 2022

SALT LAKE CITY — Executives of the endurance sports company 80/20 Endurance are scrambling to respond to the announcement that the fast food chain Taco Bell will be offering $10 (USD) monthly subscriptions, according to sources within both organizations. The surprise taco subscription is believed to be a direct response and threat to the booming […]

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The Greatest Benefit of Aerobic Fitness Is Never Talked About

By Matt Fitzgerald | January 22, 2022

Like a lot of children of the 1970s, I grew up mostly outdoors. Perhaps it was different in the big city, but in the piney woods of southern New Hampshire where I was raised, kids had to find their own fun, yet there was plenty of fun to be found if you looked hard enough. […]

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The Less You Need Your Smartwatch, The More Useful It Becomes

By Matt Fitzgerald | January 18, 2022

In 2020, the journal Psychology published a study on device dependency in runners. Pierluigi Diotaiuti and colleagues at the University of Cassino and Southern Lazio gathered information about training device usage from 111 runners, who also completed a questionnaire designed to assess device dependency, which was scored on the basis of how individual subjects answered […]

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Effective Endurance Training Is as Simple as Never Taking Two Steps in the Wrong Direction

By Matt Fitzgerald | January 5, 2022

For the past several months I’ve been writing a book that will serve as the official study guide for the 80/20 Endurance coach certification program. As you might expect, working on this project has afforded me the opportunity to reflect deeply on my philosophy of coaching. It’s impossible to summarize this philosophy in a pithy […]

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