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Anaerobic Threshold Calculator
Estimate threshold heart rate from age and resting HR
📖 Anaerobic Threshold Calculator
Threshold HR approximated via Karvonen method at ~88% of heart-rate reserve. Use it to anchor tempo and sweet-spot workouts.
📊 Result
💡 Tips & Information
- Field tests (20-min TT) refine threshold estimates.
- Threshold drifts upward as fitness improves.
- Use blood lactate testing for lab-accurate results.