sentence: records most successful horse ( 2 wins ) : mandarin -- 1957 , 1961 arkle -- 1964 , 1965 denman -- 2007 , 2009 leading jockey ( 3 wins ) : willie robinson -- mandarin ( 1961 ) , mill house ( 1963 ) , man of the west ( 1968 ) leading trainer ( 7 wins ) : fulke walwyn -- mandarin ( 1957 , 1961 ) , taxidermist ( 1958 ) , mill house ( 1963 ) , man of the west ( 1968 ) , charlie potheen ( 1972 ) , diamond edge ( 1981 ) winners weights given in stone and pound ; amateur jockeys indicated by '' mr '' .