The oldest continuously-held major sporting event in the United States takes place on May 3 when the starting gate opens for the 2025 Kentucky Derby at Churchill Downs in Louisville. The marquee race has been staged every year at Churchill without interruption since its inaugural running on May 17,

2018 Triple-Crown winner Justify has one son in the field, American Promise, trained by D. Wayne Lukas. According to Brooks Holton of the Louisville Courier Journal, this will mark the first time the offspring of two Triple-Crown winners have been in the same Kentucky Derby field since 1952.