ZONE
5
90-100% HRmax
Anaerobic threshold and VO2 max
ZONE
4
80-90% HRmax
Speed, power and anaerobic threshold
ZONE
3
70-80% HRmax
Race and competition training
ZONE
2
60-70% HRmax
Endurance and fat-burning
ZONE
1
50-60% HRmax
Warmup, recovery and cooldown
Heart Rate Zones
