Articles about heart rate zones, training and ZoneSteady.
March 10, 2026 · 5 min read
Heart rate zones are the foundation of effective training. Learn what each of the five zones means, how they affect your body, and how to use them to train smarter.
Read article →March 5, 2026 · 4 min read
A common approach calculates heart rate zones from age alone. ZoneSteady uses the Karvonen formula, which also accounts for your resting heart rate — producing zones that are more personalized to you.
Read article →February 28, 2026 · 6 min read
Zone 2 training is the cornerstone of endurance fitness — but most recreational athletes barely spend time there. Here's why it matters and how to do it right.
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