The European Pattern Race is a series of prestigious horse races held across Europe, primarily for thoroughbred horses. These races are categorized into different levels, including Group 1, Group 2, and Group 3, with Group 1 being the highest standard. They are recognized for their quality and attract top horses, trainers, and jockeys from various countries. Pattern races play a crucial role in the horse racing calendar, influencing breeding decisions and horse rankings. They are governed by the European Pattern Committee, which ensures that the races maintain high standards and are competitive. Notable races include the Epsom Derby and the Prix de l'Arc de Triomphe.