Indeed Frisbee is two sports. There is disc Golf, played like regular golf except with cage type holes, and ultimate frisbee, a sort of soccer/ handball/ football mix.
Frisbee golf
I wouldn't say 'national championship' but the professional sport of frisbee is 'ultimate frisbee'.
Ultimate Frisbee is the 'football-esque' version of frisbee, but there is also disk golf.
Ultimate Frisbee in general is not very popular among the general public, comparing the sport to baseball or football. However, the sport is the number one rising sport in the United States, and Time magazine suggests that in 2025 that kids will be playing Ultimate Frisbee over our common sports today.
Ultimate frisbee
Ultimate Frisbee Ultimate Fighting Championships
disc, ultimate frisbee, flatball, plastic spinning thing. 'frisbee' is a company's trade name which is why the sport is called 'ultimate frisbee'.
Columbia High School in New Jersey
Ultimate Frisbee is not considered an Olympic sport because it's a fairly young sport. However, Ultimate is recognized by the Olympic Committee
I would say now, Frisbee and Ultimate Frisbee appear to be growing as beach fun and as a sport every year, with new leagues popping up all across the United States.
Disc golf combines the throwing of a frisbee with the mechanics and rules of golf. The idea is to throw the frisbee at a series of target and those with the least amount of throws(or strokes in golf terms) wins.
What began as a toy has become accepted as a sport worldwide.