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9. Backround Information
Polar Equine Sport Zones
Polar equine sport zones offer a new level of effectiveness in heart rate-based training.
Training is divided into five sport zones based on percentages of your maximum heart rate.
With sport zones, you can easily select and monitor training intensities and follow Polar’s
sport zones-based training programs.
Target zone
Intensity % of
HR
max
, bpm
Example
durations
Training benefit
MAXIMUM
90–100%
0-2 minutes
Tones the neuromuscular
system
Increases maximum sprint race
speed
HARD
80–90%
2–10 minutes
Increases anaerobic tolerance
Improves high speed endurance
MODERATE
70–80%
10–40 minutes
Enhances aerobic power
Improves blood circulation
LIGHT
60–70%
40–80 minutes
Increases metabolism
Increases aerobic endurance
Strengthens body so that it
tolerates higher intensity
training
VERY LIGHT
50–60%
20–40 minutes
Helps and speeds up recovery
after
heavier exercises