Aidan O'Brien Breaks Breeders' Cup Trainer Win Record with 21st Victory

Ireland's Aidan O'Brien made history at the 2025 Breeders' Cup by securing his 21st victory, becoming the most successful trainer in the event's history, surpassing the late D. Wayne Lukas. His horse Gstaad won the Juvenile Turf in a commanding performance at Del Mar, with Christophe Soumillon expertly navigating a wide post position. O'Brien's sons, Donnacha and Joseph, also celebrated significant achievements, with Donnacha earning his first Breeders' Cup win aboard Balantina in the Juvenile Fillies Turf. Other notable performances included Super Corredora's surprise win in the Juvenile Fillies under trainer John Sadler and jockey Hector Berrios, and Todd Pletcher's 16th Breeders' Cup victory with the undefeated Ted Noffey in the Juvenile race, marking him fifth in all-time wins. The event highlighted a blend of emerging talent, such as Ireland’s new champion jockey Dylan Browne McMonagle, and seasoned veterans, underscoring the international and generational depth of the competition. O'Brien's dominance, combined with standout performances from other trainers and jockeys, emphasized the Breeders' Cup's status as a pinnacle of thoroughbred racing.