Ultimate is a non-contact, self-refereed team discipline played with a 175 gram flying disc. At each end of the playing field there is an end zone. Each team defends one endzone. They score a goal if one of their players catches the disc in the opposite end zone. There are 7 players per side and the field is 64 metres long (70 yards) and 37 m wide (40 yards) with 18 m endzones (25 yards). Click to read more about the rules of Ultimate frisbee.