This work examines the presence of black jockeys in the Kentucky Derby, from the first instance of slaves working as stable hands and tending their masters' horses to the first black jockey to win the prestigious Kentucky Derby in 1875 and the continued participation of black jockeys in the Kentucky Derby. Black owners and trainers in the Kentucky Derby are also discussed. Three appendices list black winning jockeys, black trainers and bloack owners of Kentucky Derby horses.