The British Champions Series is a prestigious horse racing competition held annually in the United Kingdom. It features a series of high-profile races, culminating in the British Champions Day, which takes place at Ascot Racecourse in October. The series showcases some of the best thoroughbred horses, trainers, and jockeys in the sport. The series consists of five categories: Flat races, Middle Distance, Sprint, Long Distance, and Fillies & Mares. Each category includes several key races throughout the season, contributing to the overall championship standings. The series aims to highlight the excellence of British horse racing and attract international attention.