Heart Rate Zone Icons

The icons in the table may appear on your watch screen when monitoring your heart rate during a workout.

Icon Description
Heart Rate Zone 1

Gentle exercise intensity, such as walking at a slow pace

Heart Rate Zone 2

Moderate exercise intensity, such as walking quickly or jogging

Heart Rate Zone 3

Endurance exercise intensity, such as low-intensity running

Heart Rate Zone 4

Strengthening exercise intensity, such as moderate-intensity running

Heart Rate Zone 5

Highest exercise intensity, such as high-intensity running or sprinting