Tools
Find your training heart rate zones using the Tanaka max HR formula, with optional Karvonen refinement.
If provided, zones use the Karvonen method (heart rate reserve) for greater accuracy.
Estimated max heart rate
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bpm (Tanaka: 208 − 0.7 × age)
These zones are estimates. Consult a healthcare professional if you have cardiovascular concerns — Contact Kaye.
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