Trained by Dale Romans, Shackleford was the leading 3-year-old money earner and an Eclipse Award finalist in 2011. Shackleford won the 2011 Preakness (gr. I) and he finished second in last’s year’s Florida Derby (gr. I), the Haskell Invitational Stakes (gr. I), the Breeders' Cup Dirt Mile (gr. I), and the
Shackleford, will stand at stud at John Phillips’ Darby Dan Farm near
Out of the stakes-placed Unbridled mare Oatsee, Shackleford is a half brother to grade I winner Lady Joanne, graded stakes winner Baghdaria, and two stakes-placed runners.