I recommend the app HealthFit which can sync Workouts data with pretty much everything else, including Strava. It also allows you automatically export FIT and G

I recommend the app HealthFit which can sync Workouts data with pretty much everything else, including Strava. It also allows you automatically export FIT and GPX files to Dropbox if you’d like. It can’t yet automatically sync Runkeeper though. I started using it a year ago after I got annoyed at the Strava iOS app failing me once a week, and haven’t had any issues since.