I haven’t seen a mail-in option for a meet yet, and as time goes by it’s less and less likely. Mail is worse because you can’t be sure that they received your entry, plus it costs money (not much) but it requires going out of your way and buying stamps.
That’s weird. It seems like it would be much easier for everyone involved to do it electronically. These days mail barely exists anymore in Canada, mostly for online shopping.
It typically determines the order you compete in for strongman. First entrant goes last. Let’s you know what you need to do to win, so you can measure your attempts.