Data hungry users/coaches probably already use something like TrainingPeaks[1], which has the more advanced features that you seem to want out of Strava. Might be worthwhile to check out if you're looking for ideas.
Data hungry users/coaches probably already use something like TrainingPeaks[1], which has the more advanced features that you seem to want out of Strava. Might be worthwhile to check out if you're looking for ideas.