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Heart Rate Training Zones

Enter your details below:
Max heart rate    
Resting heart rate    

Karvonen Heart Rate Training Zones

Karvonen uses both your maximum and resting heart rates to calculate your zones. It subtracts your resting heart rate from your maximum to give a heart rate reserve. It then calculated your percentage using your heart rate reserve then adds the resting heart rate back on to give the final figure. The idea is you adjust your zones from day to day based on the resting heart rate figure you take each morning.


beIRONfit Training Zones

Fink uses a straight forward percentage of maximum heart rate, split into four zones. For further information on these training zones, purchase the book "beIRONfit" by Don Fink, available from Amazon.


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