I’m OCD, I’m a completion-ist/collector. OK now that’s out of the way…
I like to “tick off” workouts if they generally meet my objectives for the day. It would be cool to be able to filter for workouts not previously completed.
I know it doesn’t make anyone faster, but It gamifies doing a mid week 2 hour Z2 ride, and adds some additional mild interest. It’ll probably persuade me to do some longer rides than I would’ve done too.