Webum > Sports > Flying Discs > Ultimate Frisbee > Tournaments > North America > United States > Colorado Four Corners Durango, Colorado USA. Schedule of events, maps, contact information and sponsor details. Grub Boulder, Colorado USA. Event description, registration, teams listing, contact information and directions. The Colorado Cup Located in Colorado Springs. Contains a listing of teams attending, fees, and contacts. Help build the biggest human edited directory on the internet Add your website - Open Directory Project - Become an editor