80/20 ENDURANCE BLOG

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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…

8020 Triathlon book by Matt Fitzgerald and David Warden

80/20 Triathlon Is Here!

By Matt Fitzgerald | September 3, 2018

Several years ago I got an idea for a book called A High-Mileage Manifesto. The title pretty much says it…

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