Apple Watch can mislabel a swimming stroke, especially when movement changes during a length or a drill. Check your wearing settings for future swims, and use SwimNow to correct the stroke labels in a saved pool workout.
Why can the watch identify the wrong stroke?
The watch classifies swimming from your movement. Changing strokes within a length, drills and interruptions can make that movement harder to classify. A wrong stroke label does not necessarily mean the distance is wrong.
What should you check on the watch?
On Apple Watch, open Settings → General → Orientation and select the wrist you wear it on and the Digital Crown position. On iPhone, use Watch → My Watch → General → Watch Orientation. See Apple’s orientation instructions.
Wear the watch securely and comfortably so it does not slide around. Keep the orientation matched to your actual wrist; do not reverse it to force a particular stroke label.
How to change the recorded stroke in SwimNow
- Open the saved pool workout in SwimNow, open its menu and select Correction Data.
- Use the stroke selector beside each length to set the stroke you actually swam.
- Use Set All Laps for a shared setting when all lengths used the same stroke. For a mixed-stroke workout, edit the lengths individually.
- Confirm with the checkmark at the top right. The total workout time stays unchanged.
See the illustrated SwimNow correction steps for the screens and pool-length settings.
What if every swim is still mislabeled?
Check for watchOS updates. If the same error persists with the correct wearing settings, contact Apple Support with a screenshot of an affected length and the stroke you swam.