So much controversy???? I think the idea behind the IBO as stated in the preamble is " to promote bowhunting" ie Hunter Class. Although all of the other classes would make you think it promotes Archery Competition!! It makes no difference what class you shoot as long as you are shooting a bow and promoting the shooting of a BOW. Just enjoy what ever you shoot and if you want to try to compete in a class you feel comfortable in, go for it and don' t worry about what if , or he/she shouldn' t, or they shouldn' t etc etc. Abide by the rules, be awed at the great shooters, amazed at the never ending new equipment, and happy with the comradre.