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If your smartwatch is not sending activities to Strava, first check where the workout was recorded and whether it appears in the watch’s companion app. Most watches send recorded workouts through a brand app or operating-system integration rather than through a single universal watch-to-Strava connection. Then verify that the exact platform is supported and authorized; if the workout is safely stored but automatic sync fails, you may be able to export it and upload it manually.

First identify where the activity is stuck

Before changing settings, note the watch model, phone operating system, companion app, and app used to record the workout. Check whether the activity appears in the companion app. That separates a recording problem from a transfer problem: if it is missing there, start with the watch or recording app; if it is present there but absent from Strava, focus on the integration or export route.

Strava lists compatible devices and apps across platforms including Apple Watch, Samsung Wear OS, Garmin, COROS, Polar, Suunto, WHOOP, Oura, and Withings. A listing does not guarantee identical support across every model, generation, or activity type. Check the exact device’s instructions in Strava’s compatibility directory; Strava says the integration developer is the appropriate contact for integration-specific issues.

Choose the transfer route that matches how you recorded

Where the workout was recorded What to check or do
Watch or its companion platform Use that platform’s Strava integration and confirm authorization in its settings. If the activity is saved but will not sync, check whether the platform can export a supported workout file.
Apple’s native Workout app Use the Apple Health integration, with permissions enabled in both Strava and Health. Strava’s import route is limited to Apple Workout activities from the past 30 days.
Strava’s phone app Follow Strava’s mobile-app upload troubleshooting steps for connection, pending uploads, sign-in, restart, and storage.
Another fitness app or platform Check whether that platform has a Strava integration or can export the activity as GPX, TCX, or FIT for manual upload.

Strava describes several ways activities can reach the service: record in Strava, sync a connected device, import from another platform, or upload a file. The right option depends on the recording app and the specific integration; detailed data-field behavior can vary. See Strava’s activity transfer guidance.

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Check the integration and permissions

  1. Confirm the activity is saved. Look in the watch’s companion app or the platform where it was recorded. If it is not there, troubleshoot recording on that platform before investigating Strava.
  2. Open the platform’s Strava connection instructions. Follow the device-specific flow rather than assuming another brand’s menus apply. For example, COROS directs users through its app’s Settings > 3rd Party Apps flow to authorize Strava; this path is specific to COROS.
  3. Verify authorization and permissions. Check the connected account and relevant app permissions in the companion platform. For Apple Health, check access in both the Strava app and Apple Health settings.
  4. Check the platform’s support status. Confirm the exact watch and operating-system version are supported, and consult the platform developer’s troubleshooting guidance if its integration is failing.

Strava’s devices and third-party apps page explains the distinction between Strava and external integrations. Reauthorizing an account can address an authorization problem, but it is not a guarantee that every older activity will be recovered.

Account for Apple Health and Wear OS limitations

Apple Health imports only a defined set of workouts

Strava’s Apple Health integration can sync in both directions, but importing an activity into Strava through this route applies to workouts recorded with Apple’s native Workout app within the past 30 days. An activity recorded in another company’s app does not qualify for that import route. Confirm permissions in both Strava and Health, and use the recording app’s own Strava integration or export option for other workouts. See Apple Health and Strava.

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Wear OS support depends on version and recording session

Strava supports Wear OS 3.0 and above. Its Tizen smartwatch app is no longer supported. On Wear OS, Strava also advises against running it alongside another active workout-recording app: only one exercise tracking session is supported at a time. Check Strava’s Wear OS guidance for the relevant setup details.

Recover a saved workout with a manual upload

If a workout is present in the companion platform but automatic transfer is failing, see whether the platform offers an export. Strava accepts GPX, TCX, and FIT activity files up to 25 MB, provided they contain actual workout data. The export controls differ by brand; COROS, for example, can export activities as FIT or TCX. Upload the resulting file using Strava’s activity file upload instructions.

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Manual upload is a way to recover an individual activity, not a repair for future automatic syncing. Keep the original activity in the companion app until you have confirmed that the upload succeeded, and avoid uploading a duplicate if the automatic sync later completes.

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If the activity was recorded in the Strava phone app

Strava’s generic mobile sync guide applies to activities recorded in the Strava app, not to every third-party watch integration. For an activity that remains pending or is missing from Strava, check the network connection, retry the pending upload, sign out and back in, restart the phone, and ensure there is enough free storage. Follow Strava’s mobile syncing troubleshooting steps. If the activity came from a watch platform instead, use that integration’s support route.

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