Royal Ascot: Windsor Castle Stakes
| The Windsor Castle Stakes, a Listed race over 5 furlongs, is  staged on the final day of the Royal meeting. It was first run at the Royal  meeting in 1880, although prior to that a similarly named race was contested at  Egham, and during the Second World War Windsor hosted a race called the  'Windsor Castle Stakes'. Furthermore, The Windsor Castle Stakes at Royal Ascot over the New Mile was first run in 1839 and is included in this section. | 
| Windsor Castle Stakes 2015 | Listed | 5 furlongs | ||
| Pos. | Horse | Jockey | Trainer | Owner | 
| 1 | WASHINGTON DC | Ryan Moore | Aidan O'Brien | Smith, Magnier, Tabor 5/1 | 
| 2 | AREEN | Jamie Spencer | Kevin RYan | Shk Abdullah Almalek Alsabah 14/1 | 
| 3 | STEADY PACE | James Doyle | Saeed Bin Suroor | Godolphin 4/1 fav | 
| 4 | SOAPY AITKEN | Adam Kirby | Clive Cox | Kenneth Macpherson 5/1 | 
| 5 | RUBY NATION | Joel Rosario | Wesley Ward | Silverton Hill 10/1 | 
| 6 | ORVAR | Richard Hughes | Richard Hannon | Al Homaizi & Al Sagar 8/1 | 
| 7 | OPAL TIARA | Andrea Atzeni | Mick Channon | Qatar Racing Ltd 14/1 | 
| 8 | NELSPRUIT | Pat Dobbs | Richard Hannon | Khalifa bin Sheail Al Kuwari 25/1 | 
| 9 | HALSALL | Fergal Lynch | David O'Meara | Hambleton Racing Ltd 100/1 | 
| 10 | SILVER WINGS | John Egan | David Evans | Collins & Reilly 33/1 | 
| 11 | ROLL ON RORY | Frankie Dettori | Jason Ward | Pete Adams/Field/Country Racing25/1 | 
| 12 | STAMP DUTY | Fran Berry | J P Murtagh | Andrew Tinkler 66/1 | 
| 13 | RAVENHOE | Silvestre De Sousa | Mark Johnston | J David Abell 25/1 | 
| 14 | SOCIALITES RED | Luke Morris | Scott Dixon | Socialites 100/1 | 
| 15 | HARVARD MAN | Jimmy Fortune | Brian Meehan | Hon Earle Mack 20/1 | 
| 16 | ARCHIMEDES | Jim Crowley | Paul Cole | Mrs Fitri Hay 50/1 | 
| 17 | WEDGE | Sean Levey | Richard Hannon | Morecombe, Anderson, Hughes 100/1 | 
| 18 | JUST GLAMOROUS | Steve Drowne | Ron Harris | Robert & Nina Bailey 100/1 | 
| 19 | LATHOM | Tony Hamilton | Richard Fahey | David W Armstrong 33/1 | 
| 20 | ARD SAN AER | Kevin Manning | Jim Bolger | Mohammed Bin Hamal 14/1 | 
| 21 | SAHREEJ | Paul Hanagan | Charlie Hills | Hamdan Al Maktoum 33/1 | 
| 22 | DREAM DREAMER | William Buick | Jamie Osborne | Barratt, Short & Signy 33/1 | 
| 23 | ARAGON KNIGHT | Martin Lane | Heather Main | Mr & Mrs D R Guest 100/1 | 
| 24 | HOT STUFF | Pat Cosgrave | George Baker | Lady Whent 100/1 | 
| 25 | CALEDONIAN GOLD | Martin Harley | Paul D'Arcy | Dr J S Kinnear 100/1 | 
| 26 | SIR THEODORE | Olivier Peslier | Dave Morris | Rebel Racing 100/1 | 
| 27 | ITS IN THE RAIN | Antoine Hamelin | Matthieu Palussiere | Mrs Theresa Mamane 50/1 | 
| The Windsor Castle Stakes for 2-year-olds over 5 furlongs was run on Tuesday 16th June 2015 and was won by a bay colt by Zoffany out of How's She Cuttin winning £34,026 (equivalent to £39,000 in 2020). | Over round 135% | |||
| Windsor Castle Stakes | Listed race | 5 furlongs | 1880 | ||||||
| 1839 | |||||||||
| 1840 | 1841 | 1842 | 1843 | 1844 | 1845 | 1846 | 1847 | 1848 | 1849 | 
| 1850 | 1851 | 1852 | 1853 | 1854 | 1855 | 1856 | 1857 | 1858 | 1859 | 
| 1860 | 1861 | 1862 | 1863 | 1864 | 1865 | 1866 | 1867 | 1868 | 1869 | 
| 1870 | 1871 | 1872 | 1873 | 1874 | 1875 | 1876 | 1877 | 1878 | 1879 | 
| 1880 | 1881 | 1882 | 1883 | 1884 | 1885 | 1886 | 1887 | 1888 | 1889 | 
| 1890 | 1891 | 1892 | 1893 | 1894 | 1895 | 1896 | 1897 | 1898 | 1899 | 
| 1900 | 1901 | 1902 | 1903 | 1904 | 1905 | 1906 | 1907 | 1908 | 1909 | 
| 1910 | 1911 | 1912 | 1913 | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 
| 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 
| 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 
| 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 
| 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 
| 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 
| 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 
| 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 
| 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 
| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | ||||