Train Mode

 

 

 

 

Zone

% of

Perceived Exertion

Benefits

 

Maximum

 

 

 

Heart Rate

 

 

1

50–60%

Relaxed, easy pace;

Beginning-level aerobic

 

 

rhythmic breathing

training; reduces stress

2

60–70%

Comfortable pace;

Basic cardiovascular

 

 

slightly deeper breathing,

training; good recovery

 

 

conversation possible

pace

3

70–80%

Moderate pace;

Improved aerobic

 

 

more difficult to hold

capacity; optimal

 

 

conversation

cardiovascular training

4

80–90%

Fast pace and a bit

Improved anaerobic

 

 

uncomfortable;

capacity and threshold;

 

 

breathing forceful

improved speed

5

90–100%

Sprinting pace,

Anaerobic and

 

 

unsustainable for long

muscular endurance;

 

 

period of time; labored

increased power

 

 

breathing

 

Forerunner 50 Owner’s Manual