Doubledogdare was an American Thoroughbred

Thoroughbred

The Thoroughbred is a horse breed best known for its use in horse racing. Although the word thoroughbred is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed...

 Champion racehorse

Horse racing

Horse racing is an equestrian sport that has a long history. Archaeological records indicate that horse racing occurred in ancient Babylon, Syria, and Egypt. Both chariot and mounted horse racing were events in the ancient Greek Olympics by 648 BC...

. Bred and raced by the renowned Claiborne Farm

Claiborne Farm

Claiborne Farm is a thoroughbred Horse breeding operation in near Paris, Kentucky. It was established in 1910, by Arthur B. Hancock, owner of Ellerslie Farm in Albemarle County, Virginia, and has been operated by members of his family ever since.-Owners:...

 of Bull Hanciock

Arthur B. Hancock, Jr.

Arthur B. "Bull" Hancock, Jr. was a breeder and owner of thoroughbred racehorses at Claiborne farm in Kentucky. He acquired European horses to breed in the United States, in particular Nasrullah and Princequillo, and gained great standing in the racing world as a result.-Early life:Hancock was...

, she was sired by Double Jay

Double Jay (horse)

Double Jay was an American Thoroughbred racehorse. Bred by John W. Stanley in Lexington, Kentucky, he was purchased as a yearling for $19,000 by Wilmington, Delaware businessmen James V...

, the American Champion Two-Year-Old Colt of 1946 and a four-time Leading broodmare sire in North America

Leading broodmare sire in North America

The list below shows the leading Thoroughbred sire of broodmares in North America for each year since 1924. This is determined by the amount of prizemoney won during the year by racehorses which were foaled by a daughter of the sire.-----References:* *...

. Her dam was Flaming Top, a daughter of the 1935 U.S. Triple Crown

United States Triple Crown of Thoroughbred Racing

In the United States, the "Triple Crown" is usually the Triple Crown of Thoroughbred Racing, a series of three Thoroughbred horse races for three-year-old horses run in May and early June of each year consisting of the Kentucky Derby, Preakness Stakes, and Belmont Stakes.While Daily Racing Form...

 champion, Omaha

Omaha (horse)

Omaha was a United States thoroughbred horse racing champion.Foaled at Claiborne Farm in Paris, Kentucky, he was the son of 1930 U.S. Triple Crown winner Gallant Fox and the mare Flambino. Omaha was the third horse to win the Triple Crown having won as a three-year-old in 1935.Omaha was an...

.

Conditioned for racing by Moody Jolley

Moody Jolley

Moody Jolley was an American thoroughbred horse racing owner, breeder and trainer. He began his professional training career in the mid 1930s and by 1940 had his first Kentucky Derby runner. For several years, he trained for Harry Guggenheim's Cain Hoy Stable. After their partnership ended in...

, at age two Doubledogdare earned important wins including the 1955 Matron Stakes under future U.S. Racing Hall of Fame

National Museum of Racing and Hall of Fame

The National Museum of Racing and Hall of Fame was founded in 1950 in Saratoga Springs, New York, to honor the achievements of American thoroughbred race horses, jockeys, and trainers...

 inductee Eric Guerin

Eric Guerin

Oliver Eric Guerin is an American Hall of Fame jockey.Eric Guerin was born in Maringouin, Louisiana, in Cajun backwater country, twenty-four miles west of Baton Rouge...

 and the 1955 National Stallion Stakes, Fillies Division

National Stallion Stakes

The National Stallion Stakes was two American Thoroughbred horse races inaugurated in 1898 at Morris Park Racetrack in The Bronx, New York.The race was separated between two-year-old fillies and colts and was for a time one of the premier events for that age group...

 ridden by another future Hall of Fame jockey, Jack Westrope

Jack Westrope

Jack Gordon Westrope was an American Hall of Fame jockey in Thoroughbred horse racing.Born in Baker, Montana, Westrope was the son of racehorse owner/trainer W. T. Westrope. Jack was only 12 years old when he rode his first winner on a small track in Lemmon, South Dakota...

. Doubledogdare's 1955 performances saw her win six of ten starts and finish second twice, earning $127,689. She shared American Co-Champion Two-Year-Old Filly honors with Nasrina.

Racing at age three, Doubledogdare won the Oaks Prep  and then ran second by a "hairline" in the Kentucky Oaks

Kentucky Oaks

The Kentucky Oaks is a Grade I stakes race for three-year-old Thoroughbred fillies staged annually in Louisville, Kentucky, United States. The race currently covers 1⅛ miles at Churchill Downs; the horses carry 121 pounds . The Kentucky Oaks is held on the Friday before the Kentucky Derby each year...

. Among her other important wins in 1956 were the Ashland

Ashland Stakes

The Ashland Stakes is an American Thoroughbred horse race held annually in early April at Keeneland Race Course in Lexington, Kentucky, United States. It and the Ashland Oaks, the Kentucky Association racetrack's predecessor race, were named for Ashland, the homestead and breeding farm of statesman...

 and Spinster Stakes, helping give her the American Champion Three-Year-Old Filly title.

Retired to broodmare duty, Doubledogdare produced foals that met with very little success in racing.