Twice when uploading to strava the ride which appeared did not match that which i was executing
On sunday , I had an event which gave me an indication of the problem, yesterday I deliberately set out to prove it,
Select a workout and exit to the main menu
Click on Clear Workout,
Select a different workout
Perform the workout.
The first workout is the one which is updated both in Strava and in the dashboard tally of your workout.
The only way I can think around this is to quit zwift and reload to get the correct ride information recorded if you change your mind