 Boyd-Rochfort's only success in The Derby came in 1959 with Parthia.He was champion trainer in 1937, 1938, 1954, 1955 and 1958, and other top successes for his stable were the Ascot Gold Cup wins of Precipitation and Zarathustra, and in the later stages of his career he won the Goodwood Cup four times between 1962 and 1966.He was the stepfather of racehorse trainer Henry Cecil.