Data field that displays the current heart rate zone together with a color code in the complete field. This makes it easy to see at a glance which zone you're currently in. For details about how to add it to any acitivity (like running) see: https://support.garmin.com/en-US/?faq=gyywAozBuAAGlvfzvR9VZ8
Colors of heart rate zones have been adapted to the colors Garmin uses as well.
This app requires access to: