Boldnesian
{{Short description|American-bred Thoroughbred racehorse}}
{{Infobox racehorse
| horsename = Boldnesian
| image =
| caption =
| sire = Bold Ruler
| grandsire = Nasrullah
| dam = Alanesian
| damsire = Polynesian
| sex = Stallion
| foaled = 1963
| country = United States
| colour = Bay
| breeder = William Haggin Perry
| owner = William Haggin Perry
| trainer = James W. Maloney
| record = 5: 4–0–0
| earnings = US$107,625
| race = Santa Anita Derby (1966)
| awards =
| honours =
| updated=
}}
Boldnesian (1963–1975) was an American Thoroughbred racehorse and sire.
Racing career
In early 1966 Boldnesian won the Santa Anita Derby. He was scheduled to run in the Kentucky Derby, but his racing career was cut short by an operation after bone chips were discovered following his win at Santa Anita Park.{{Cite news|url=https://www.nytimes.com/1966/03/23/archives/knee-operation-sidelines-boldnesian-for-six-months-injury-is-traced.html|title = Knee Operation Sidelines Boldnesian for Six Months; INJURY IS TRACED TO COAST STAKES Bone Chips Developed in Santa Anita Derby Victory Baeza Hurt in Fall|newspaper = The New York Times|date = 23 March 1966|last1 = Cady|first1 = Steve}}
Stud record
At stud, Boldnesian notably sired Canadian Horse Racing Hall of Fame inductee Bold Ruckus and Bold Reasoning who in turn sired the 1977 U.S. Triple Crown winner Seattle Slew.
Pedigree
{{Pedigree
|name = Boldnesian, bay stallion, 1963
|f = Bold Ruler
|m = Alanesian
|ff = Nasrullah
|fm = Miss Disco
|mf = Polynesian
|mm = Alablue
|fff = Nearco
|ffm = Mumtaz Begum
|fmf = Discovery
|fmm = Outdone
|mff = Unbreakable
|mfm = Black Polly
|mmf = Blue Larkspur
|mmm = Double Time
|ffff = Pharos
|fffm = Nogara
|ffmf = Blenheim
|ffmm = Mumtaz Mahal
|fmff = Display
|fmfm = Ariadne
|fmmf = Pompey
|fmmm = Sweep Out
|mfff = Sickle
|mffm = Blue Grass
|mfmf = Polymelian
|mfmm = Black Queen
|mmff = Black Servant
|mmfm = Blossom Time
|mmmf = Sir Gallahad
|mmmm = Virginia L (family: 4-m)
}}