Star Trac Spinning Bike Computer User Manual
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Energy Zones™ 
The Spinning Energy Zones are the foundation of heart rate training in the Spinning® program. Each Energy Zone is a type of 
training based on exercise intensity (indicated by heart rate). 
 
Energy Zone 
Intensity Range
Purpose
Recovery
50% to 65% of
MHR
Relaxation and energy accumulation. 
 
Endurance
65% to 75% of
MHR
Raises metabolism, burns fat, increases energy. 
 
Strength
75% to 85% of
MHR
Improves muscular endurance and mental stamina. 
 
Interval
65% to 92% of
MHR
Trains the heart to recover quickly from work effort. 
 
Race Day
80% to 92% of
MHR
To challenge the well conditioned exerciser. 
 
ENERGY ZONE HEART RATE CHART
AGE
RECOVERY 
50%-65% 
ENDURANCE 
65%-75% 
STRENGTH 
75%-85% 
INTERVAL 
65%-92% 
RACE DAY 
80%-92% 
20-23
100-129
129-149
149-168 129-182 160-182
24-27
98-126 126-146
146-165 126-178 155-178
28-31
96-123 123-143
143-162 123-175 153-175
32-35
94-120 120-140
140-159 120-172 150-172
36-39
92-118 118-137
137-155 118-168 146-168
40-43
90-116 116-134
134-151 116-164 143-164
44-47
88-113 113-131
131-148 113-161 140-162
48-51
86-110 110-128
128-145 110-157 137-157
52-55
84-108 108-125
125-141 108-153 133-153
56-60
82-105 105-122
122-139 105-150 131-150
ENERGY ZONE™ HEART RATE CHART
