Bred: Wertheimer et Frere (Ky.)
Sire: Silent Name (JPN)
Dam: Listen A. P., by A.P. Indy
Silentio made his debut at Santa Anita breaking his maiden by three-quarters of a length in October 2011. He won and placed in two other allowance races before winning the Grade 2 Sir Beaufort Stakes in December 2012.
In 2013, the Silent Name colt finished third in the Arcadia Stakes and Del Mar Mile Handicap, both Grade 2 races, and second in the Grade 1 Frank E. Kilroe Mile Stakes. He finished the season with a third place finish in the Breeders' Cup Mile.