As a fitness enthusiast with years of experience using Apple Watch for training, I've refined these steps to help you track workouts accurately. Your Apple Watch excels at heart rate monitoring, step counting, noise alerts, fall detection, ECG, and more—but it requires manual activation for precise data. Here's how to start, pause, end workouts, and dive into detailed analysis.
1. Press the Digital Crown on your Apple Watch to access the app screen.

If you need a break, pause your workout to maintain accurate stats—avoiding gaps that could skew results. Pausing is simpler than ending and restarting.
To pause:
1. Swipe right on the workout screen.
2. Tap Pause.

To resume, swipe right again and tap Resume.
Tap "New" to add another activity—ideal for circuit training like running, cycling, or strength work. Select the activity, and the timer resets to zero. Repeat for additional segments.
From the workout screen, swipe right and tap End. You'll see a summary, including all activities and total time if multiple were logged.
For a full breakdown:
1. Open the Activity app on your iPhone.
2. Tap Workouts from the bottom tabs.
3. Select your workout for in-depth stats.

By default, workouts show five metrics. Customize them for your needs via the Apple Watch app on iPhone:
1. Open the Apple Watch app and go to My Watch > Workout > Workout Views.

2. Choose Multiple Metrics or Single Metric (up to five per workout type).

3. Select a workout type, tap Edit, and add or remove metrics.

Master these features for optimal Apple Watch fitness tracking—and generate monthly activity reports for long-term insights.