Navigate Your Wayfēnix 3 HR watch provides comprehensive navigation and tracking functionalities to guide you on and off the beaten path using GPS plus ABC (altimeter, barometer and compass). The TracBack feature navigates you back to your starting point the same way you came. Its built-in sensors provide information on heading, elevation and weather changes.It records a GPS track log, creating a “bread crumb trail” as you move. It also allows you to mark locations, such as a start/finish line, course checkpoint or a campsite, vehicle or other point of interest. With fēnix 3 HR watch, you can create and follow courses as well.