Use Backtrack to retrace your steps on Apple Watch Ultra
Retrace your steps
You can use Backtrack in the Compass app 
to track your route and then help you retrace your steps in case you get lost.
Note: Backtrack is for use in remote settings—away from familiar places like your home or workplace—and outside densely populated areas without Wi-Fi. Backtrack does not account for external conditions, such as changes in elevation or objects in the environment.
Open the Compass app
on your Apple Watch Ultra.Tap
, then tap Start to begin recording your route.To retrace your steps, tap
, then tap Retrace Steps.The location where you first tapped
appears on the compass.Follow the path back to return to where you first turned on Backtrack.
When you’re finished, tap
, then tap Delete Steps.
Start Backtrack with the Action button
Open the Settings app
on your Apple Watch Ultra.Tap Action Button, tap Action, tap Backtrack, then tap
to return to the list of actions.Press the Action button to start Backtrack.
Press the Action and Side buttons at the same time to pause Backtrack.