80/20 ENDURANCE BLOG

blog post 69

What Is the Difference Between Middle-Distance, Long Distance, and Ultra-Distance Fitness?

By Matt Fitzgerald | October 25, 2022

In last week’s blog post I mentioned that two new studies related to the phenomenon of VO2max had been published…

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How to Increase Your Aerobic Capacity When You’re Already Doing the Obvious Stuff

By Matt Fitzgerald | March 18, 2019

As part of my ongoing quest to qualify for the Ironman World Championship, I am working with a company called…

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