Intramural Sports Ultimate Frisbee Registration Deadline can be completed on line here. The Intramural Ultimate Frisbee season is starting Tuesday, Feb. 21 and if you would like to get involved, your team must have a minimum of 5 players and a maximum of 15 players. Each team is required to pay a registration fee to Hornet Central of $20 by Monday, Feb. 13. For more information, contact recsports@su.edu.