Heart Rate Zone Calculations - Garmin fenix Owner's Manual

Heart Rate Zone Calculations

Zone % of Perceived Exertion
Maximum
Heart Rate
1 50–60% Relaxed, easy pace,
rhythmic breathing
2 60–70% Comfortable pace,
slightly deeper
breathing, conversation
possible
3 70–80% Moderate pace, more
difficult to hold
conversation
4 80–90% Fast pace and a bit
uncomfortable,
breathing forceful
5 90–100% Sprinting pace,
unsustainable for long
period of time, labored
breathing
12
Benefits
Beginning-level
aerobic training,
reduces stress
Basic cardiovascular
training, good
recovery pace
Improved aerobic
capacity, optimal
cardiovascular training
Improved anaerobic
capacity and
threshold, improved
speed
Anaerobic and
muscular endurance,
increased power
Appendix