To add a workout you forgot to record, enter it manually in the Samsung Health phone app: open the exercise area, choose the activity, select Enter data, fill in its start time and duration, then save. You do not need a Galaxy Watch to log a past session. Manual entry is different from tracking a workout live, and it cannot recreate the watch’s sensor data.
Manually add a completed workout in Samsung Health
Samsung’s UK support guide, updated 9 October 2025, describes this phone-app route. Button labels and available fields may vary by activity and app version.
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Open Samsung Health on your phone and tap More in the exercise area.
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Tap the exercise you want to add.
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Tap the three-dot menu in the upper-right corner, then choose Enter data.
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Enter the workout’s start time and duration. Fill in any additional fields Samsung Health offers for that exercise, such as distance. Notes or images may also be available.
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Tap Save.
Samsung Health calculates calories automatically from exercise time and distance in this workflow. Samsung says calorie details cannot currently be added manually when the data comes from a separate fitness device. Samsung UK’s manual activity-entry guide
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What if the exercise is not listed?
Choose Create new exercise from the exercise area, enter the details available for that activity, and save it. Samsung says exercises added in the phone app also appear in the Work out feature on supported Wear OS Galaxy Watches; the measurements available for a custom exercise can vary. Samsung UK’s guide to manually adding activities and Samsung US’s Wear OS Galaxy Watch workout guide
Manual entry or live tracking: which should you use?
| Workflow | When you enter it | What you need | What it records |
|---|---|---|---|
| Manual entry | After the workout | Samsung Health on your phone | Start time, duration, and any additional fields offered for that exercise |
| Live tracking | As you exercise | A supported Wear OS Galaxy Watch with Samsung Health | Workout information tracked during the session; available features depend on the watch and software |
Manual entry is the recovery option for an unrecorded session. It does not recreate measurements gathered live by a watch.
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Track your next workout live with a Wear OS Galaxy Watch
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Open Samsung Health on the watch.
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Go to Exercise and then Work out.
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Select an exercise and follow the on-screen prompts.
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Use the watch controls to pause, resume, or finish the workout.
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Menus and features depend on the watch model and its software. Samsung US: Work out with your Wear OS Galaxy Watch
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Can Samsung Health detect a workout you forgot to start?
Automatic detection is only a fallback for supported activities and devices, not a guarantee that a missed session will appear. Samsung says the feature must be enabled and requires at least 10 minutes of exercise for related activities to be detected. Settings and availability vary by watch, software version, and service provider. If you need to make sure the session is recorded, add it manually. Samsung US: Use automatic workout detection on your Samsung smart watch
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Review or delete a saved workout
Samsung’s UK guide describes reviewing previous workouts grouped by date, filtering by exercise, and selecting a workout to see its details. To remove an entry, open it and use its menu to delete it. You can also add notes to a workout. Interface wording can change between Samsung Health versions. Samsung UK’s activity guide and Samsung US: Use and manage trackers in Samsung Health
Are manually entered workout details medical measurements?
No. Samsung describes Samsung Health as an app for fitness and wellness purposes. Manually entered details and app-generated estimates are for tracking activity, not medical measurement or diagnosis.
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