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V650 includes the following Smart Coaching features:
l Heart rate zones: Heart rate zones provide an easy way to select and monitor the intensity of your train-
ing and to follow heart rate-based training programs.
l Smart calories: The most accurate calorie counter on the market counts the number of calories burned.
l Training Benefit: The V650 gives motivating feedback about the effect of your training immediately
after your session.
POLAR HEART RATE ZONES
Polar heart rate zones introduce a new level of effectiveness in heart rate-based training. Training is divided
into five heart rate zones based on percentages of maximum heart rate. With heart rate zones, you can easily
select and monitor training intensities.
Target zone Intensity % of
HRmax*, bpm
Example dur-
ations
Training effect
MAXIMUM 90–100% 171–190
bpm
less than 5
minutes
Benefits: Maximal or near maximal effort for breath-
ing and muscles.
Feels like: Very exhausting for breathing and
muscles.
Recommended for: Very experienced and fit ath-
letes. Short intervals only, usually in final preparation
for short events.
HARD 80–90% 152–172
bpm
2–10 minutes Benefits: Increased ability to sustain high speed
endurance.
Feels like: Causes muscular fatigue and heavy
breathing.
Recommended for: Experienced athletes for year-
round training, and for various durations. Becomes
more important during pre competition season.
MODERAT-
E
70–80% 133–152
bpm
10–40 minutes Benefits: Enhances general training pace, makes
moderate intensity efforts easier and improves effi-
ciency.
Feels like: Steady, controlled, fast breathing.
Recommended for: Athletes training for events, or
looking for performance gains.
LIGHT 60–70% 114-133 40–80 minutes Benefits: Improves general base fitness, improves