80/20 ENDURANCE BLOG

blog post 95

A Different Way to Determine Your Training Intensity Zones

By Matt Fitzgerald | January 24, 2023

There are lots of different tests that endurance athletes can use to gauge their fitness and determine appropriate training intensity…

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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