Grindstone (horse)

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Sire Unbridled
Grandsire Fappiano
Dam Buzz My Bell
Damsire Drone
Sex Stallion
Foaled (1993-01-23) January 23, 1993 (age 24)[1]
Country United States
Colour Bay
Breeder Overbrook Farm
Owner Oakhurst Farm
Trainer D. Wayne Lukas
Record 6: 3-2-0
Earnings $1,224,510
Major wins
Louisiana Derby (1996)
Kentucky Derby (1996)

Grindstone (foaled January 23, 1993) is a thoroughbred racehorse who won the Kentucky Derby in 1996. He became jockey Jerry Bailey's 2nd Kentucky Derby winner and the second in a row for trainer D. Wayne Lukas.


Bred and owned by William T. Young's Overbrook Farm, Grindstone was the son of Unbridled out of the mare Buzz My Bell. Buzz My Bell's dam was a half-sister to La Grue, the dam of the Belmont Stakes winner Pass Catcher.[2]

Racing career[edit]

Prior to the Derby, Grindstone had won the Louisiana Derby and was second in the Arkansas Derby.

Grindstone was retired just 5 days after his Kentucky Derby victory when knee chips were discovered in his leg. He is the first horse since Bubbling Over in 1926 to be retired immediately following a win in the Kentucky Derby.

Stud record[edit]

He stands today at Oakhurst Farm in Oregon (making him the first Kentucky Derby winner to ever stand in the Northwest). His progeny include two millionaires, GR I winner Birdstone and Ekolu Place. He is also, via Birdstone, the grandsire of Mine That Bird and Summer Bird, who both won Triple Crown races in 2009.


Pedigree of Grindstone (USA), bay stallion, 1993[1]
Unbridled (USA)
Fappiano (USA)
Mr Prospector Raise A Native
Gold Digger
Killalde Dr Fager
Grand Splendor
Gana Facil (USA)
Le Fabuleux Wild Risk
Charedi In Reality
Buzz My Bell (USA)
Drone (USA)
Sir Gaylord Turn-To
Cap and Bells Tom Fool
Chateaupavia (USA)
Chateaugay Swaps
Banuet Bell
Glenpavia Pavot
Gaffery (Family:1-c)[2]


  1. ^ a b "Grindstone pedigree". Equineline. 2012-05-08. Retrieved 2013-05-05. 
  2. ^ a b "Mustard - Family 1-c". Thoroughbred Bloodlines. Retrieved 2012-11-19.