80/20 ENDURANCE BLOG

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Obsessive Lactate Measurement Is NOT the Reason Norwegian Endurance Athletes Are Winning

By Matt Fitzgerald | June 21, 2023

There’s a phenomenon that armchair psychologists refer to as shiny object syndrome. You won’t find it mentioned in the Diagnostic…

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Yes, But How Do You Feel? More Evidence That Subjective Training Metrics Have More Value Than Objective Metrics

By Matt Fitzgerald | March 31, 2023

Everything changed when the stethoscope was invented. Credit Rene Laennec, the 18th-Century French physician and flautist who invented this revolutionary…

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Is Lactate Measurement Essential for Endurance Training Optimization?

By Matt Fitzgerald | July 12, 2022

Lactate is having a moment. Our metabolite du jour owes its newfound celebrity largely to the hoopla surrounding the recent…

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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…

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Off-Season Training for 80/20 Athletes

By Matt Fitzgerald | October 18, 2021

Here in the northern hemisphere, the off-season is upon us, and athletes like you are figuring out how to train…

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New Study Finds Most Age-Group Triathletes Are Still Stuck in the Moderate-Intensity Rut

By Matt Fitzgerald | August 9, 2021

It’s been nearly a decade since I coined the term “moderate-intensity rut” in reference to the widespread habit among recreational…

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