I just realized that when I moved the site to a new Unix user so dougmc could have access to it, that killed the feature where web posts got automatically emailed out to the list, so apologies about that, and that's why I (and probably everyone else) didn't see this thread until now.  Hopefully this post gets sent to the email list, we'll see...

Watch their Instagram for updates: https://www.instagram.com/wnbr_austin/

Note that the meeting location is inside the park a bit, a little north of Malin the Troll to get away from the busiest parts of the park.  (The flyer gives a map.)