[4] British Idiom made her first start on August 15, 2019, at Saratoga in a maiden special weight race for horses that had been sold for $45,000 or less.
[2] That win earned her an automatic berth in the Breeders' Cup Juvenile Fillies, held on November 1 at Santa Anita Park.
She gradually made up ground on Donna Veloce, and the two battled for the final furlong with British Idiom prevailing by a neck.
"[3] According to Jay Privman of the Daily Racing Form, the win will "undoubtedly" make British Idiom the Champion Two-Year-Old Filly of 2019.
[4] After finishing unplaced in the 2020 Fantasy Stakes, it was revealed that British Idiom had sustained an injury to her right-front ankle.
British Idiom is inbred 4 × 4 to Pleasant Colony, meaning this stallion appears twice in the fourth generation of her pedigree.