Blog
The TrainingZones Blog
Guides and science breakdowns on training zones, heart rate, power, and pace — to help you train smarter.
Finding Your Maximum Heart Rate
What max heart rate actually is, why the 220 − age rule is shaky, and how to estimate or test yours — with a calculator you can use right here.
heart ratemax heart ratetraining zones
How to Set Your Training Zones (and Actually Use Them)
A practical guide to finding your heart-rate, power, and pace zones — which anchor to use, how to test it, and how to train by it.
training zonesheart rateFTPpace