Well first I would say go out and have fun. don't put too much pressure on yourself.Try to shoot the pro-am if you can. You can get grouped up with some pretty cool guys. Don't know what the weather is like up there so if you are going to shoot with a lens make sure you have a cover for your sight to keep as much rain off of it if it does happen to rain. Practice judging yardages as much as you can before you go. Try if you can not to keep score. Since I don't know what kind of shooter you are and thisbeing your first big shoot,try not to get cuaght in the 14 ring. Shoot the 10s. But that is just my opinion. Most if all like I said before have a good time.