OK, the easiest thing that I could find to see number left is the twitter feed. There isn't an easy way to see individuals.
Maybe you could if you were on the Zoom feed, but I've never tried Zoom, and I imagine it might not be openly shared? I've only heard about Zoom recently because of the stories about Zoom Bombing. Looks like the rules allow not using Zoom, so there will be some Strava only names to add to the Zoom numbers left.
This is useful for those who don't want to sit around for hours: