Understanding Heart Zone Training: All You Need to Know

heart zone training

Heart zone training is a confusing concept for many cyclists. It does not help that most of the information available online is complicated. This is frustrating for bike riders who want to try it. Heart zone training opens a whole new world of health benefits, even for the average cyclists.

In this guide, you will learn the ins and outs of heart zone training in a simplified language. You will no longer train using too much effort and get minimum results—and probably hurt yourself in the process. Cycling will be much more productive for you.

What is Heart Zone Training?

Basically, it is a form of training in which your heart rate (HR) guides the intensity of your exercises.

Your heart rate is the number of heart beats per minute (bpm).

So using your HR, you regulate your workouts such that you use a certain amount of effort for a specified duration.

Resting Heart Rate and Maximum Heart Rate

Your heart has a resting heart rate and a maximum heart rate (MHR). The MHR is the highest number of heart beats per minute that your heart can beat. The resting heart rate is the number of heart beats per minute when you are well rested.

Establishing your MHR can be a challenging task. It requires pushing yourself to the maximum; which can be dangerous.

The simplest method for knowing your MHR is the age-based method. It is as simple as subtracting your age from 220 or using this formula: 208 – (0.7 x your age). The resulting number is your MHR.

The simplest method for knowing your Maximum Heart Rate (MHR) is the age-based method. It is as simple as subtracting your age from 220 or using this formula: 208 – (0.7 x your age). The resulting number is your MHR.

For example, if you are 30 years old, your estimated MHR will be 190 (220 – 30).

There are many factors that make this method inaccurate such as the fitness of the cyclist. For a more accurate figure, visit a physician. They will perform a stress test on you and give you a more reliable number.

The resting heart rate is easier to determine. You are most relaxed when you wake up in the morning. Place two fingers (your index and middle fingers) on your neck, right below the jaw and count the beats per minute. Do this for a few days and find the average.

Training Zones

Generally, training zones are percentages of your maximum heart rate and are found between the resting heart rate and the MHR.

In most cases, they are five:

ZoneEffortHeart rate
Zone 1 Active Recovery 50 – 60% of your MHR
Zone 2 Endurance 60 – 70% of your MHR
Zone 3 Tempo 70 – 80% of your MRH
Zone 4 Lactate Threshold 80 – 90% of your MRH
Zone 5 VO2Max 90 – 100% of your MRH

Do not let the numbers intimidate you. This is easy math. The idea is to exercise until you get into a certain zone, that is, attain a certain percentage of the MRH, then maintain the intensity.

Zone 1: Active Recovery Zone

Otherwise known as the healthy heart zone, this is the most comfortable one compared to the other four. It entails very light training. Your heart rate will be at 50-60% of your MRH.

As the name suggests, you cross-train or ride lightly to encourage recovery—mainly from an intense workout session. The last thing you want to do here is stress your body. The low intensity should promote the body to get rid of metabolism by-products such as lactic acid and transport oxygenated blood to your worn out muscles.

Cycle in this zone if your previous workout was intense and you are feeling a little sore. Alternatively, incorporate this zone between intervals so you can catch your breath.

A good way to ride in this zone is to take your bike out on a sunny day. Avoid hilly terrain and just cycle leisurely. Using a bike trainer is a great option too—especially because it is easier to check your parameters. You should be able to talk comfortably.

Although this zone feels easy, it burns the most fat.

heart zone endurance training

Zone 2: Endurance

This is the zone that you should train in most of the time. It is not very different from the active recovery zone but the intensity is definitely higher. You can still talk but not as effortlessly as you could in zone 1. Consequently, you will be burning a lot of fat.

There is a reason why every cyclist—beginner or pro—should learn to spend a considerable amount of time in the endurance zone. One benefit is that it causes the body to use fat for energy as opposed to glycogen. Your body stores way more fat than it does glycogen.

Training in zone 2 properly will prepare you for races. At the beginning of the race, you will be using fat and only save glycogen for the end—where you will need it the most.

Another benefit of this zone is that the body learns to clear lactic acid whenever it is produced. When you exercise, lactic acid is produced as a by-product. If it is not cleared, your muscles “burn” and you may be forced to cycle more slowly.

While in this zone, be careful not to get into zone 1 or go higher to zone 3. It happens.

heart zone tempo training

Zone 3: Tempo

This is the aerobic heart rate zone. Now things are getting intense. Your heart should be beating at 80-90% of your maximum heart rate. As the exercise gets vigorous, you can barely speak long sentences. It is a difficult zone but the kind of difficult that is still comfortable.

There is a lot of debate concerning zone 3. Experts cannot agree on whether or not cyclists should spend a lot of time here. When preparing for long-distance races, try to spend significant time in this zone to build endurance.

The intensity applied here helps in the repairing of blood vessels. It also boosts your lung and heart capacity. This is the zone that makes you fit and gives you that frame that you have been desiring.

Zone 3 is usually achieved when doing “sweet spot workouts”. The intensity of these workouts is towards the top of the range. The sweet spot best balances the benefits attained with the recovery time.

Zone 4: Lactate Threshold

You will be using up less fat and more carbohydrates here in the anaerobic heart rate zone. However, it is still an important zone for all cyclists.

Zone 4 will really stress your body. In fact, a good number of pro cyclists do not spend much time here. Other experts have been known to discourage it. Avoiding it altogether is a bad idea. The best thing you can do is use intervals because you cannot sustain the intensity of this zone for a long time.

As you go harder, more lactic acid is produced which makes riding more challenging. The anaerobic heart rate zone teaches your body to keep going even when you are getting tired.

Do not be tempted to overdo zone 4. It can wear you out, making it impossible to continue riding consistently.

heart zone VO2Max training

Zone 5: VO2Max

This is the top zone; the one that really tests your mettle. In case you are wondering, VO2 simply refers to oxygen intake and VO2Max is the maximum.

Exercises in this zone are extremely hard and uncomfortable. It is best for sprint and interval training.

The main purpose of this zone is to train your body to consume oxygen when the intensity is very high. Again, you cannot ignore this zone if you are training for a race. You will need the capabilities.

This zone requires that you push your body beyond its limits. While you will be doing it in intervals, you should talk to your doctor first.

Determine your Target Heart Rate Zone

Use the calculator to determine your target heart rate for your desired training zone.

Target Heart Rate Calculator

Putting This Knowledge into Use

In as much as you are excited to try out heart zone training, you cannot just get on your trainer or bike and start mixing up zones.

There are tons of workout timetables or schedules online. They offer guidance and help you exercise safely and efficiently. Tom Bell offers a free workout handbook solely for this.

heart rate monitor

What Equipment to Use

When it comes to checking your pulse, your fingers will work. However, it will be very challenging once you start doing more vigorous workouts. Lucky for you, there are mobile apps for this.

For convenience and accuracy, invest in a heart rate monitor.

You can get a simple monitor or a fancy one that does more than just check your HR. It all depends on your budget.

If you have a smart trainer already, you may not need these gadgets.

Conclusion

Heart zone training appears complicated when you do not understand it.

However, you can see from this guide that it is all about mastering a few concepts.

The most important one is the maximum heart rate. From there, you can use your calculator to know your zones.

Then find a workout schedule and start training.

It is advisable that you consult your doctor especially because of zone 4 and zone 5. Let them tell you whether or not your heart can take it.

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