I just wanted to let you know that we got hit with a few more support questions than usual this past weekend and so we are running a few hours behind on some of our replies. I will respond here first thing tomorrow with an answer. Thanks for posting, I look forward to helping you.
By default the event categories on the front end should be alphabetized. It looks to me like even yours are alphabetized. Of course if you add subcateogries, they will appear under their parent in alphabetical order. So if you had a cat “Z” with a parent of “A” it would look like this:
Does that make sense? Did I perhaps misunderstand you? Please let me know. Thanks!