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Writer's pictureChristopher Morrissey

Crush Your Cardio with Heart Rate Zone Training

Updated: Feb 17

Heart rate zone training is a popular method for improving cardiovascular fitness and endurance. By understanding and utilizing heart rate zones, athletes and fitness enthusiasts can optimize their workouts to achieve specific goals, such as building endurance, burning fat, or improving speed.


In this blog post, we will explore the concept of heart rate zone training, the benefits of utilizing this training method, and how to determine your individual heart rate zones.


Understanding Heart Rate Zones

Heart rate zones refer to different ranges of heart rate intensity during physical activity. Each zone is associated with a specific percentage of an individual's maximum heart rate, which can vary based on age, fitness level, and other factors.


The five heart rate zones are:

  1. Zone 1 - Very Light: This is the lowest level of physical activity, characterized by a heart rate of 50-60% of maximum heart rate. This zone is ideal for warming up or cooling down, and for individuals who are just starting out with physical activity.

  2. Zone 2 - Light: This zone is characterized by a heart rate of 60-70% of maximum heart rate. It is a good zone for endurance training and building a base level of fitness.

  3. Zone 3 - Moderate: This zone is characterized by a heart rate of 70-80% of maximum heart rate. It is a good zone for improving aerobic capacity.

  4. Zone 4 - Hard: This zone is characterized by a heart rate of 80-90% of maximum heart rate. It is a good zone for improving speed and anaerobic endurance.

  5. Zone 5 - Maximum: This is the highest level of physical activity, characterized by a heart rate of 90-100% of maximum heart rate. It is a good zone for short bursts of high-intensity exercise, such as sprints or intervals.

Benefits of Heart Rate Zone Training

There are numerous benefits associated with heart rate zone training, including:

  1. Improved cardiovascular fitness: By training in different heart rate zones, individuals can improve their cardiovascular fitness and endurance.

  2. Better fat burning: Training in Zone 2, or the light zone, is associated with the highest level of fat burning during exercise.

  3. Increased speed and power: Training in Zone 4, or the hard zone, can improve an individual's speed and power output.

  4. Reduced risk of injury: By using heart rate zones to guide workout intensity, individuals can reduce their risk of injury and overtraining.

  5. Improved motivation: Training in different heart rate zones can provide individuals with a sense of accomplishment and progress as they see improvements in their fitness level.


Determining Your Heart Rate Zones

To determine your individual heart rate zones, it is important to first calculate your maximum heart rate. The most commonly used formula for this is to subtract your age from 220. For example, if you are 30 years old, your maximum heart rate would be 190 beats per minute (220 - 30 = 190).


Once you have determined your maximum heart rate, you can calculate your heart rate zones by multiplying your maximum heart rate by the percentage associated with each zone. For example, if your maximum heart rate is 190 beats per minute, your heart rate zones would be:

  1. Zone 1 - Very Light: 95-114 bpm (50-60% of max heart rate)

  2. Zone 2 - Light: 114-133 bpm (60-70% of max heart rate)

  3. Zone 3 - Moderate: 133-152 bpm (70-80% of max heart rate)

  4. Zone 4 - Hard: 152-171 bpm (80-90% of max heart rate)

  5. Zone 5 - Maximum: 171-190 bpm (90-100)


There is another way to determine your heart rate, which is the way I prefer. It is the MAF Method. In this you simply do 180 - age


With this, it allows you to train slightly harder but yet still see all the benefits from Zone 2 training. With this, you can add around 10 beats to give you a range to shoot for. For example, 180-47 = 133. So then add 10 beats and you have a range of 133-143 bpm.


One great book on this topic is called 80/20 Running by Matt Fitzgerald. Check it out on Amazon


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