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Aerobic vs. Anaerobic Threshold Calculator

Estimate aerobic (~70% HRR) and anaerobic (~85% HRR) heart rate thresholds from age and resting HR using the Karvonen reserve method.

bpm

Aerobic Threshold (~70%)

148 bpm

Anaerobic Threshold (~85%)

166 bpm

Heart Rate Reserve

125 bpm

Maximum HR

185 bpm