Minimus is a 2-day competition consisting of three disciplines, each competitor must swim as many lenghts as possible within 2 minutes, run a distance of 1km and ride a cross country course of fences with a max height of 80cm. Points are awarded to competitors for their performance in each discipline. The overall winner is the competitor with the most points after all three disciplines.

Participants must be U-12 on the 1st of January of the current year.

Irish Pony Club D+ test standard is recommended for this competition.

The Minimus Championships are a team competition where members from branches form a team of three/four for the competition. Individual trophies are awarded to boys and girls for the best overall winners and the best in the disciplines of running and swimming.