The NCHA produces six shows each year:

NCHA Championship Futurity for 3-year-old horses which have not been shown.

NCHA Super Stakes divisions for 4-year-old and 5-/6-year-old horses sired by subscribed stallions. 
NCHA Super Stakes Subscribed Stallions 
NCHA Super Stakes Foal Nominations 
NCHA Super Stakes Stallion Subscription form

NCHA Summer Spectacular presented by Great American Insurance. Divisions for 4-year-old and 5-/6-year-old horses.

NCHA World Championship Finals. Fifteen Entries are taken in both the Open and Non-Pro Championship classes, based on the Top Standings from each class.

Eastern National Championships presented by The 6666 Ranch. Contestants in NCHA's affiliate or area standings are eligible to compete in the 12 approved Championship classes.

Western National Championships presented by The 6666 Ranch. Contestants in NCHA's affiliate or area standings are eligible to compete in the 12 approved Championship classes.

In addition, NCHA organizes NCHA Weekend during which shows are held for all 25 NCHA Regions in the USA and Canada.
Lookup horse and rider earnings. NCHA Produced Event Publication, Flyer and Advertising Policy