Get Max Heart Rate

What Is My Maximum Heart Rate?
As you exercise, your heart rate will elevate. Your maximum heart rate is:

220 minus your age

Training with a heart rate above this level can be dangerous. It is advised to work at a level that suits your fitness levels and heart health.

The Norwegian 4×4 workout outlines a target heart rate of 85%-95% of your max heart rate. If you don’t have a fitness tracker that measures heart rate, aim to push yourself to a level of exertion that is 8 or 9 out of 10, where talking feels challenging.

4×4 Workout
To complete the Norwegian 4×4 workout:

Warm-up

Complete a low-intensity warm-up for 10 minutes. This could be a light jog and dynamic stretches.

Intervals

4 minutes each interval of a cardio exercise of choice, at 85-95% of your maximum heart rate. This could be running, swimming, rowing, cycling or high-intensity bodyweight exercises. If you’re running, this could be your 5k or 10k pace.

Active recovery

3 minutes rest of low-intensity activity like brisk walking or jogging, taking your heart rate down to 60-70% of your max heart rate.

Repeat

For a total of 4 high-intensity intervals and rests.

Cool down

Bring down your heart rate slowly, then stretch.

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