Workout summary when failing last block

When failing to get a star on the last block of a workout, the workout summary page does not display - as if the entire workout failed. 

Today, after flawlessly executing a group workout, the workout did not end after going under the last arch. The arch went away and everyone but one or two riders were left in the group list. The only option I had was to quit the event, which did not display the workout summary. The ride summary during exit shows I got 9/10 stars, so I can see that last arch did not successfully register. 

I suppose it’s not a big deal, but there seems to have been two issues here. 1) going under the last arch did not end my group workout; 2) failing the last block of a workout appears to null the entire workout, not displaying the summary and possibly not registering as a completed workout.