Getting into equestrian, and traveling to the United Kingdom soon? Lucky you, as there are top quality events that occur across in almost every month on the calendar. What are the most popular horse races in the UK? The five listed below will entertain you while giving you a look into one of the cornerstone traditions in British society. 1) Grand National Steeplechase is an exciting form of racing that many enjoy, and for them, there is no better event to take in than the Grand National.