Activity HR Zone jon.roberts220161@gmail.com 28/05/2026 Heart Rate ZoneOwn System 3 Zone System using Maximum Heart Rate (Version 3)Own System 5 Zone System using Maximum Heart Rate (Version 1)Own System 7 Zone System using Maximum Heart Rate (Version 1)Garmin 5 Zone System using Maximum Heart Rate (Version 1)Coros 6 Zone System using Maximum Heart Rate (Version 1)Coros 6 Zone System using Threshold Heart Rate (Version 1)Coros 6 Zone System using Heart Rate Reserve (Version 1)OriginNo of ZonesHR MethodVersionDetailGarmin5Maximum Heart Rate1ZoneLower %Upper %Recovery0%60%Aerobic Endurance61%70%Aerobic Power71%80%Anaerobic Endurance81%90%Anaerobic Power91%100%