http://www.dcrainmaker.com/2014/08/automatic-mapmyfitness-endomondo.html
Finally!
I just subscribed to a 3rd party tool to do this syncing in the background. I should have waited another week!
According to DC rainmaker; Strava is done; Endomondo and MapmyFittness coming soon.
I certainly welcome this as Garmin Connect is lacking and very slow.