They vary in length, but as your question is posted in the KY Derby category I will say one and one quarter miles since the Derby is held at Churchill Downs and that is the length of that particular course.
Chat with our AI personalities
The race track can be a any size, but a hose race will usually be 1 mile, 1 1/4 mile, 1 1/2 mile. Quarter horse races are the shortest: 1/4 mile.