Sports
Anaerobic Threshold Calculator
Estimate your anaerobic threshold heart rate.
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The anaerobic threshold is the effort above which lactate builds up faster than the body clears it.
The math behind it
It typically falls around 85–90% of max HR; trained athletes push it higher.
Worked Example
Age 30 (max 190) at 85% → about 162 bpm.
Frequently Asked Questions
Why train at threshold?
It raises the pace you can hold before fatigue sets in.
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