Open to three-year-olds only, it has witnessed some of the best horses of all time take their first step into the limelight, with previous winners including Shergar, Sea The Stars and Golden Horn. Given its prestige, the Derby Festival remains one of the largest sporting events in the UK; with a fairground in operation, men clad in morning dress and the arrival of HM The King, it is truly the pinnacle of glamour, pomp and circumstance in British racing.