Heart Health

Understanding Your Heart Rate Zones for Better Training

D
Dr. Sarah Chen
Cardiologist
•January 15, 2026•5 min read
Understanding Your Heart Rate Zones for Better Training

Heart rate zones are a powerful tool for optimizing your training. By understanding and training in different heart rate zones, you can improve your cardiovascular fitness, burn fat more effectively, and achieve your fitness goals faster.

The Five Heart Rate Zones

Zone 1 (50-60% of max HR): This is your recovery zone. Perfect for warm-ups, cool-downs, and active recovery days.

Zone 2 (60-70% of max HR): The aerobic base zone. This is where you build endurance and burn fat efficiently.

Zone 3 (70-80% of max HR): The aerobic zone. You're working harder here, improving your cardiovascular system.

Zone 4 (80-90% of max HR): The threshold zone. This is where you push your limits and improve your lactate threshold.

Zone 5 (90-100% of max HR): The maximum effort zone. Use sparingly for high-intensity intervals.

How to Use Heart Rate Zones

With H-Core Ring, you can monitor your heart rate in real-time during workouts. The app will show you which zone you're in, helping you stay in the right zone for your training goals.

Related Feature

24/7 Heart Rate Monitoring

H-Core monitors your heart rate continuously and alerts you to unusual readings — day and night.

Learn more →

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Understanding Your Heart Rate Zones for Better Training | H-Core