“MAF”

Zone 2 Training Is Useless Without This One Test | MAF Test

A Simple Way to Track Your Aerobic Gains (and Catch Issues Before They Sneak Up on You) Using a heart...

I Got Fitter Than Ever—Then One Race Humbled Me

I’ll be honest, I went into my first track race in 20 years with a little too much confidence. Fitness?...

Your Heart Rate Zone Is Wrong (Fix It in 10 Minutes)

You ran 9-minute miles yesterday and felt great. Today you're running the exact same pace and dying. Same 9-minute miles....

Why You Get Tired So Fast (And How to Fix It Instantly)

Here's something that makes no sense: the slower you train, the faster you race. Sounds like complete BS, right? I...

I Tried Low HR Zone 2 Training for 13 years – This happened

I Tried Low HR Zone 2 Training for 13 years - This happened Most runners quit Zone 2 training right...

How To Run a Sub 3 Marathon in Maffetone Zone 2 Low HR

I spent six months religiously training in zone two, convinced I'd found the marathon cheat code. Heart rate capped at...

How To Do a Maffetone Maximum Aerobic Fitness (MAF) Zone 2 Test For Runners, Cyclists and Triathletes

A Simple Way to Track Your Aerobic Gains (and Catch Issues Before They Sneak Up on You) Using a heart...

IMAT | How To Find Your Maximum Aerobic Heart Rate Using A Different Approach – Mike Trees

Ever tried that Maffetone 180-age formula to calculate your max aerobic training heart rate, only to think, “Uh, this feels...

Everything you need to know about run energy systems

Explaining the Aerobic, Anaerobic and ATP systems Whether you’re just starting out or you’re a seasoned athlete, understanding how your body...