Horse Trials are three-day events in which the same horse/rider pair complete a dressage test, a show jumping course, and a cross country course.
Recognized Horse Trials start at the Beginner Novice level (2’7” fence height) and run through the Advanced level (3’11” fence height).
The April Horse Trials runs over three days and includes CIC***, CIC**, CIC*, Advanced, Intermediate, Preliminary and Training Divisions. The three CIC Divisions are international level - CIC stands for Concours International Combiné.
http://fairhillinternational.com/fhi-horsetrials/