As of March 1st, 2019, you should be able to share your activities to Facebook from the activity page of the Strava website. However, auto-sharing from the upload page of the mobile app and website will no longer be available and Strava activities will not count towards Facebook Fitness.
We are receiving reports that users are experiencing three different issues related to Facebook sharing. We're looking into these issues and will post updates when more information is available.
1. Users are unable to share to Facebook when uploading from the mobile app or web. The Facebook logo on the upload page is unresponsive when tapped. This also means that "auto-sharing" to Facebook is broken.
2. Shared activities do not count towards the Facebook Fitness section.
3. Users may not be able to share to Facebook on the website (upload page and activity page).
Please "follow" this Known Issue to receive email updates on the status of the problem.