Appendix
Heart Rate Zone Table
% of Maximum
Heart Rate or
Resting Heart
Rate
1 50–60%
2 60–70%
3 70–80%
4 80–90%
5 90–100%
Perceived Exertion
Relaxed, easy pace;
rhythmic breathing
Comfortable pace;
slightly deeper breathing,
conversation possible
Moderate pace; more difficult
to hold conversation
Fast pace and a bit
uncomfortable; breathing
forceful
Sprinting pace,
unsustainable for long period
of time; labored breathing
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
Forerunner 310XT Owner's Manual