Build your aerobic system with a safe, scientific and sustainable approach

… for walkers, runners, cyclists and elite athletes

Join millions of users around the world who follow Dr. Phil Maffetone’s MAF Method to build their maximum aerobic function – a personalized health and fitness methodology that is safe, scientific and sustainable for walkers, runners, cyclists & elite athletes.

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Burn fat for fuel

Dr. Phil Maffetone

Coach / Author / Innovator

Millions of people, from professional athletes in virtually every sport, to people of all athletic abilities have used the MAF Method of Dr. Phil Maffetone to build their fat-burning system.

I was constantly injured and really struggling. This all changed when I met Phil and started training at my MAF Heart Rate. My niggles cleared up and on race day, I destroyed the field!

Mark Allen6 Times World Ironman Champion

Dr. Maffetone is among the most innovative thinkers in the field of exercise science. His training program differs from so many others, with its focus not just on the next race, but on a lifetime of healthy living and exercising.

Tracy Beth Høeg, M.D., PhDPhysician Scientist

Safe. Scientific. Sustainable.

The MAF philosophy empowers individuals with the tools and the guidance to develop and strengthen the aerobic system – the body’s fat-burning engine responsible for supplying stable, long-term energy, leading to reduced body fat, improved physical and mental energy, and resilience to stress and disease.

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MAF Foundations

The MAF Foundations is a 10hr e-learning course, designed for anyone who values their health and fitness to understand their body and optimize their performance to get the most out of life.

MAF Foundations

20% Off the MAF HR+

Launch Special: 20% Off
Our new MAF HR+ Earbuds have landed. Your in-ear heart rate monitor and fitness tracker is lightweight, water and sweat resistant with incredible sound quality.


MAF Supplements

MAF Supplements are formulated with freeze-dried fruits and vegetables for a phytonutrient boost. There are no excessive dosages, no artificial additives and contain active vitamins like those found in food.

MAF Supplements

Knowledge base

Over 200 articles, recipespodcasts and research papers on health, nutrition and lifestyle

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Athletic Performance
June 14, 2021

Listen to music during exercise?

I still recommend listening to your body instead, but many people play music, and many have asked me for suggested playlists. Whatever the workout, you can listen to MAF Music!…
DumbbellsAthletic PerformanceCoach's CornerStrength Training
June 8, 2021

Coach’s Corner: Getting strong the slow weights way

Improving strength doesn't mean going to the gym or blocking out workout time, unless you really want to. (more…)
Athletic PerformanceHealth
May 24, 2021

The Zen of MAF

It’s somewhere over the rainbow — beyond 180, the Two-Week Test, and fat-burning. (more…)

Activate your fat burning engine

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