Australian Group Races are prestigious horse racing events that are classified into different levels based on the quality of the horses and the competition. The races are categorized into Group 1, Group 2, and Group 3, with Group 1 being the highest level. These races attract top horses, trainers, and jockeys from around the world, showcasing the best of Australian thoroughbred racing. The Australian racing calendar features numerous Group Races, including famous events like the Melbourne Cup and the Cox Plate. These races are held at various tracks across the country and are significant for their impact on breeding and racing careers, often influencing the market value of winning horses.