blog post 85

A High-Mileage Manifesto

By Matt Fitzgerald | December 21, 2022

You’ve probably heard of the book 80/20 Running, perhaps even read it. But did you know that the original working…

blog post 63

Make Sure You’re Tired for Your Next Fitness Test

By Matt Fitzgerald | September 27, 2022

James Spragg is a young South African exercise physiologist who has carved out an interesting niche for his research. It…


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…

Matt on Beach doing HIIT

Researchers Uncover New Reasons Not to Overdo HIIT

By Matt Fitzgerald | April 4, 2021

There’s a good chance you came across the following headline, or another one like it, a couple of weeks back:…

8020 Endurance Hero

Just Because Something Works Doesn’t Mean Something Else Wouldn’t Work Better

By Matt Fitzgerald | December 17, 2018

Imagine you are completely sedentary and you have been for some time. Then one day you decide to train for…

running workout techniques

3 Things That Work, But Not the Way Most Runners Think

By Matt Fitzgerald | May 7, 2018

There are lots of running-related techniques and methods that are widely known to be effective but that achieve their effects…