Conditioning
Heart Rate Zone Calculator
Estimate easy, tempo, and interval heart rate zones from age. Useful for runs and sport conditioning.
Hunter: Easy work should feel easy. If you cannot talk, you are not in the easy zone.
Age-based max is an estimate
We use 208 minus 0.7 times age. Wearables beat this. Use zones to keep easy days easy.
FAQ
Is this for baseball conditioning?
Yes. Keep most running conversational. Save the high zone for short repeats.