A national championship(s) is the top achievement for any sport or contest within a league of a particular nation or country. The title is usually awarded by contests, ranking systems, stature, ability, etc. This determines the best team, individual (or other entity) in a particular nation and in a particular field. Often, the use of the term cup or championship is just a choice of words.

Bandy

Basketball

Bridge

Boxing

Cross country running

Curling

Men's

Women's

Figure skating

American football

Sailing

Rowing

Speed skating

Swimming

Track and field

Volleyball

Wrestling