Isaac Murphy was a pioneering African American jockey who was considered one of the greatest jockeys in American horse racing history. He was born enslaved in Kentucky in 1861, but after the Civil War, he began his career as a jockey at a young age. Murphy quickly gained a reputation for his exceptional skill and talent in the sport and became known for his strategic race tactics and remarkable success on the racetrack.

Murphy was the first jockey to win three Kentucky Derbies, which he achieved in 1884, 1890, and 1891. He also established himself as a dominant force in other major horse races during his career. Murphy's success and influence helped break down racial barriers in the predominantly white sport of horse racing during the late 19th century.

In addition to his achievements on the racetrack, Isaac Murphy was admired for his professionalism, integrity, and dedication to his craft. He served as a role model for aspiring Black jockeys and inspired future generations of African American athletes in horse racing.

Isaac Murphy's impact on horse racing and his legacy as a trailblazing Black jockey have earned him a lasting place in Black history and American sports history.