On Day 2 of registration, the Adv Masters, Grandmasters, and Sr. Grandmasters divisions are on waitlists. If you are over 40, don't wait too long to sign up.
Disc golf is growing fast!! I think the MPO division is already filled for the Oregon Worlds.
I think that there will be another 36 spots for adv master and adv grandmaster. Not sure about grandmasters.