Question: how to track a workout on apple watch series 5?
Answer: Open the Watch app on your iPhone.
Tap the My Watch tab.
Tap Workout.
Tap Workout View.
Tap Multiple Metric (the default) or Single Metric. When you select multiple metrics, you can select up to five metrics for each type of workout.
Tap the workout type.
Tap Edit.
Tap the green add button to add a metric.