Heart Rate Zones for a 50-Year-Old

At 50 years old, estimated max HR is approximately 170 bpm, and zones shift downward compared to younger runners.

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How to use this tool

Enter age and resting heart rate in the fields above.
Results update instantly as you type — or click Calculate.
Read your estimated max hr and the full breakdown beneath it.

Calculate accurate heart rate training zones for a 50-year-old using the Karvonen method.

Frequently asked questions

What is the Karvonen method?: It calculates training zones as a percentage of heart-rate reserve (max HR − resting HR), then adds resting HR. This personalises zones better than using max HR alone.
How do I find my resting heart rate?: Measure your pulse first thing in the morning before getting up, ideally on several days and average the results.