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Behave Yourself (horse)

Behave Yourself
Sire Marathon
Dam Miss Ringlets
Grandsire Martagon
Damsire Handball
Gender Stallion
Foaled 1918
Country United States
Color Bay
Breeder Edward R. Bradley
Owner Edward R. Bradley
Trainer Henry J. Thompson
Record 18: 4-2-1
Earnings $58,772
Behave Yourself is a thoroughbred racehorse out of Miss Ringlets by Marathon. He was born around 1918 in the United States, and was bred by Edward R. Bradley.
Major wins
Queen City Handicap (1920)
American Classic Race wins:
Kentucky Derby (1921)
Horse (Equus ferus caballus)

Behave Yourself (1918 -?) was an American Thoroughbred racehorse. He was one of four Kentucky Derby winners owned by Colonel Edward R. Bradley and was the winner of the 1921 Kentucky Derby in an upset victory from his stablemate Black Servant, also owned by Bradley.

Compared to Black Servant, a Blue Grass Stakes winner, Behave Yourself was not an excellent racehorse, only gaining four wins in his entire racing career.[1] Behave Yourself's Derby win was very close, and probably resulted from Black Servant becoming distracted by a spectators hat thrown onto the track or Behave Yourself's jockey being overeager to win.[2] It is also rumored that Edward R. Bradley was unhappy that his horse won because he ultimately lost money on the win (by betting it all on Black Servant).[2] Bradley also owned the sire of Black Servant, Black Toney, and may have lost stud profits from the inferior colt's win.

Behave Yourself was not considered a good sire, but he was rarely given the opportunity to breed because E.R. Bradley thought he had poorly conformed legs and did not want the trait to be perpetuated in his racehorses.[2] Bradley donated Behave Yourself to the United States Army cavalry remount service in 1930. He spent his remaining years siring cavalry horses for the army.[3]


  1. Behave Yourself Pedigree
  2. Avalyn Hunter,American classic pedigrees: 1914-2002, Blood-Horse Publications, 2003
  3. NY Times. Dec 11, 1930


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