https://trainingzones.app/blog Training-zone guides, science breakdowns, and practical how-tos for endurance athletes. en https://trainingzones.app/blog/finding-your-maximum-heart-rate https://trainingzones.app/blog/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. Thu, 11 Jun 2026 12:00:00 GMT https://trainingzones.app/blog/setting-your-training-zones https://trainingzones.app/blog/setting-your-training-zones 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. Thu, 11 Jun 2026 12:00:00 GMT