The race for 3 year olds is run a distance of 1 1/2 miles, drawing the best horses in Great Britain and France to compete.
Irish Derby winners:
... Trintigant[?], (France) 1956 - Stirling Moss, (United Kingdom) 1957 - Juan Manuel Fangio, (Argentina) 1958 - Maurice Trintigant[?], (France) 1959 - Jack Brabham, ...