Nysos

Nysos is a bay colt bred in Kentucky by Susie Atkins. His sire is Nyquist, winner of the 2016 Kentucky Derby and his dam is Zetta Z who was sired by Bernardini never started in an event.^[3] In 2024 Coolmore Stud bought Zetta Z for $2 million during the Fasig-Tipton Kentucky Winter Mixed Sale.^[4] Zetta Z's dam, Seresa's Spirit was also unraced. The third dam is Unbridled Elaine, who took the Pocahontas Stakes at two-year-old, and won the Grade 1 Breeders' Cup Distaff as a three-tear-old.^[3]

Nysos was named after a demigod In Greek mythology, who lived on Mount Nysa, identified as modern day Mount Kithairon.^[3]

Nysos went through the auction sales ring three times before starting for his current owners Charles and Susan Chu's Baoma Corporation.^[2] At the Keeneland Breeding Stock 2021 November Sale as a weanling Nysos was sold to Cypress Creek for $130,000.^[2] The following year at the Fasig-Tipton Kentucky Fall Yearling sale Nysos was sold for $150,000 to Best Of Luck Farm.^[2] He was then purchased as a two-year-old at the Ocala Breeders Sale for $550,000.^[2]

Nysos is trained by U.S. Racing Hall of Fame Bob Baffert.

In late 2025 after Nysos won the Grade 1 Breeders' Cup Dirt Mile, Coolmore Stud became registered lessee owners with Baoma.