[ftio]

Golf.

You play 'against the course' under the exact same conditions as every other competitor to see who can get the lowest score over the course of a week. Shoot low scores week after week, win tournaments, receive a ranking. Pretty straightforward.

Golf is unique among mass-market sports in that your performance is not subject to the effects of your opponents' play (other than psychologically). Nobody's blocking you or hitting shots at you that you must return. It's just your decisions, your ability, and the course in front of you.

[neverartful]

I guess the same could be said of bowling.

[giantg2]

Or competitive shooting.

[Aschebescher]

Also Darts.

[usaphp]

Almost all sports from track & field where you measure performance in units is. Sprint, pole vault, long jump, high jump, javelin, discus