Ultimate Frisbee is the correct way to spell it.
Frisbee golf
Ultimate Frisbee is most popular in New Zealand and the United States.
A marker is a defender who guards the handler, or thrower, from completing the throw.
No, you do not have to win by two in Ultimate Frisbee, just first to 13 or whatever you are playing to.
I wouldn't say 'national championship' but the professional sport of frisbee is 'ultimate frisbee'.
Ovbiously
Ultimate Frisbee is the 'football-esque' version of frisbee, but there is also disk golf.
The handler in Ultimate Frisbee is responsible for throwing the frisbee to another player, called the cutter. The handler is an offensive position much like a quarterback in football.
Ultimate Frisbee Ultimate Fighting Championships
It is typically seven versus seven in a typical game of Ultimate Frisbee.
No, no physical contact is allowed in Ultimate Frisbee. That would be considered a foul and the play would reset.