horses who have won the derby cup double in the one season
| Year | Winner |
|---|---|
| 1864 | Lantern (Cup - Derby order) |
| 1876 | Briseis |
| 1877 | Chester |
| 1880 | Grand Flaneur |
| 1883 | Martini-Henri (at first two starts) |
| 1896 | Newhaven |
| 1899 | Merriwee |
| 1906 | Poseidon |
| 1909 | Prince Foote |
| 1915 | Patrobas |
| 1927 | Trivalve |
| 1933 | Hall Mark |
| 1941 | Skipton |