Sun Castle

Sun Castle
Sire	Hyperion
Grandsire	Gainsborough
Dam	Castle Gay
Damsire	Buchan
Sex	Stallion
Foaled	1938
Country	United Kingdom
Colour	Bay
Breeder	Enid Scudamore-Stanhope, Countess of Chesterfield
Owner	Wyndham Portal, 1st Viscount Portal
Trainer	Cecil Boyd-Rochfort
Record	6:2-0-1 (incomplete)
Major wins
New St Leger (1941)

Sun Castle (1938 – March 1942) was a British Thoroughbred racehorse who raced during World War II and was best known for winning the classic St Leger in 1941. After showing promise as a two-year-old he finished third in the 2000 Guineas the following spring but ran poorly when strongly-fancied for the New Derby. He won a race at Newbury in August before taking the substitute New St Leger at Manchester Racecourse. He died in the following spring after contacting tetanus.

Sun Castle was a good-looking bay horse bred at Beningbrough Hall stud in Yorkshire by Enid Scudamore-Stanhope, Countess of Chesterfield. He was sired by Hyperion, who won the Epsom Derby and the St Leger Stakes in 1933 and went on to become an internationally significant sire: Sun Castle's successes enabled Hyperion to claim the second of his six sires' championships in 1945. Sun Castle's dam, Castle Gay, was a moderate racehorse, winning one minor race, but was a half-sister of the Eclipse Stakes winner Loaningdale.

Sun Castle was scheduled to be sold at as a yearling at Doncaster in 1939 but was withdrawn from the sale when Wyndham Portal, 1st Viscount Portal bought a half share in the horse. Lord Portal, who owned Sun Castle throughout his racing career sent the colt to be trained at the Freemason Lodge stable in Newmarket, Suffolk by Cecil Boyd-Rochfort.

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