Minoru was an Irish-bred, British-trained Thoroughbred racehorse who won two British Classic Races. In a career which lasted from June 1908 to April 1910 he ran thirteen times and won seven races. After showing moderate form as a two-year-old he improved to become one of the best colts in England in the early part of 1909. He won his first five races including the 2000 Guineas and The Derby. His win at Epsom Downs Racecourse made his owner King Edward VII the first reigning British monarch to win a Derby and was greeted with unprecedented celebration. Minoru's bid to win the British Triple Crown ended when he was beaten by Bayardo in the St Leger. He was retired to stud in 1910 and was soon afterwards exported to Russia, where he disappeared during the Revolution in 1917.

The British Classics are five long-standing Group 1 horse races run during the traditional flat racing season. They are restricted to three-year-old horses and traditionally represent the pinnacle of achievement for racehorses against their own age group. As such, victory in any classic marks a horse as amongst the very best of a generation. Victory in two or even three of the series marks a horse as truly exceptional.