The Ultimate Players Association (UPA) serves as the governing body for the sport of Ultimate in the US. The UPA is a player run not-for-profit organization based in Boulder, Colorado, USA. Founded in 1979, the UPA is among the first flying disc sport organizations in the world, and one of the largest, with over 27,300 members and hundreds of volunteers. Our mission is: To advance the sport of Ultimate in the US by enhancing and promoting character, community, and competition. 

UPA Scorereporter >> Atropa on UPA Score Reporter

MUFA - Madison Ultimate Frisbee Association. The Madison Ultimate Frisbee Association (MUFA) is an official not-for-profit organization dedicated to providing opportunities for people to play Ultimate. MUFA is responsible for 4 leagues, Spring, Summer, Fall, and Winter. Our leagues are co-ed with a 4/3 gender ratio and open to players of all ages.