Understanding Heart Rate Zones
Heart rate zones help runners train more effectively by targeting specific fitness goals and energy systems. The Five Heart Rate Training Zones Zone % of Max HR Training Benefit Zone 1 (Recovery) 50-60% Active recovery, warm-up Zone 2 (Base) 60-70% Endurance building, fat burning Zone 3 (Tempo) 70-80% Aerobic power, lactate threshold Zone 4 (Threshold) … Read more