me and a bunch of buddies went to it (BP, Pman13a, Nick.Thridward and skatefilly) all went to a couple around the Milwaukee area. They are tight. You just drink Red Bull for free and eat pretzels while building paper airplanes and throwing them. If you win you get your weight in red bull or some other prizes. it's legit.
I live with the current distance paper airplane record holder. His name is Stephen Kreiger. Redbull flew him out to austria to judge the competition. Look up his youtube vide. Ish is rediculous.