The Horse Racing Derby is a prestigious horse racing event, often featuring thoroughbred horses. It typically takes place annually and is known for its rich history and tradition. The most famous derby in the United States is the Kentucky Derby, held on the first Saturday in May at Churchill Downs in Louisville, Kentucky. During the derby, horses compete over a specific distance, usually around one and a quarter miles. Spectators often dress in formal attire, and the event is famous for its festive atmosphere, including mint juleps and elaborate hats. The derby showcases the skill of both the horses and their jockeys.