Adjust Apple Watch during a workout
Your Apple Watch can be an active partner even during your workout. While working out you can see your workout stats, mark a segment, start a Check In, and more.
Check your progress during a workout
Go to the Workout app
on your Apple Watch.Do any of the following:
See your workout stats: Raise your wrist to see your workout stats, including your goal completion ring, elapsed time, average pace, distance covered, calories burned, and heart rate.
Note: There’s no goal ring if you haven’t set a goal.
Switch workout views: Turn the Digital Crown.
To change the workout views you want to see during a workout, see Customize workout views.
You can also receive voice feedback for key alerts and progress against your Activity rings. To turn Voice Feedback on or off, go to the Settings app 
on your Apple Watch, tap Workout, then tap Voice Feedback.
Mark a segment of your workout
Go to the Workout app
on your Apple Watch.Double-tap the display to indicate a segment of your workout.
You briefly see the stats for that segment.
On Apple Watch Ultra models, if you have Workout selected as the function for the Action button, you can press the Action button to mark a segment during a workout.
To see all your segment stats after the workout, open the Fitness app on your iPhone, tap Sessions, tap the workout, then scroll down.