skiing (judged)

Judged skiing is not a sport.

It's important here to understand the distinction. True skiing is a completive sport . What is at issue is the judged variations. Even at the Olympics , ( or perhaps even more so where politics can enter the equation) The difference between top competitors is only established by the narrow opinion of a few judges. If the winner is selected because the Ski the course in the best time or jump the farthest distance then that is a different issue. But when the winner is selected because he (or she) has more "style" then another .... that defeats the whole point.

It's not a sport.

Bullfighting

Bullfighting is not a sport.

Besides the basic fact that in involves animals, it's just pain mean. Not to mention a little weird.

To some respects this "event" calls back to ancient times where roman masses were appeased by the frequent display of bloodsports in the Coliseum. I'd think it was a fair fight if the bull had much of a chance. but clearly he doesn't because while the fighter might wear his list of injurys like a badge of honor, It doesn't appear that the bull ever survives to take on a second opponent.

Bodybuilding

Bodybuilding is not a sport.

True, it is competitive. But it is judged and at the limits, it is clearly weird
This is particularly true for female body building. ( some of the top competitors , jacked full of male hormones have lost an premise of what it is to look female. If you need genetic testing to prove the sex of the competitor, then you have serious problems. )

But male bodybuilding should not be exempted. The winner is always subjective, and the dietary regiments that the winners perform (even when they are not pumping steroids ) is more than enough to qualify the whole event as 'weird' ..

NOT A SPORT

Qualifications : Handicapped sports

I'm not talking about the special Olympics or other sports for the handicapped (although that is another problem in itself) I am talking about sports where a poor competitor is given an advantage over the better ones "just to make it fair"

Golf and Sailboat races where the competitor is given a handicap to somehow level the playing field. At least they don't do this at the top levels. But were is the spirit of competition when the results of your previous achievements are used against you on the next challenge?

Qualifications : No Grade Inflation

There is an epidemic particularly in children's competition where children are given the impression that they perform at adult levels. Eight year olds are given black belts ( and take part in judged completions) What does that even mean? I'm sure that it gives the child a lot of self esteem, but how can such classifications have any meaning when compared to adult class competitors.

To some respect this is a correctly of the children's sports like Tball where no score is kept and no winner is announced.

Qualifications : No winner or Loser

Things people do as personal challenges like rock climbing or skydiving. It might be an exhilarating experience, but it is not sport. The same would be the case for any de-sportified event that they have children play. (baseball or soccer where no score is kept )

To be a sport, there must be a winner, and if there is a winner, it is required that somebody loses. If you don't have that, it's not competitive, and it's not sport.

Qualifications : No animals

A real sport does not rely on animals.

All manner of "sports" where the the real effort is that of an animal. This is includes things like Horse racing, harness racing, polo, dog racing. Fox hunting ( combines the efforts of horses and dogs at the expense of a fox for the glory of humans ) In these sports the human acts as more of a coach to the animal (kicking it to make it go faster etc.. ) rather than using their own effort to defeat challengers.

This particular point is the subject of some debate. I feel the point is that with the possible exception of horse racing ( where the actual animal is given credit for the win) non of these should be considered sports. (dog racing is just too mean to be considered. ( how many other sports require whole charities to crop up just to support the retired athletes ? )