In the old race that started on 1875 participate Thoroughbred horses (a unique breed of racehorses).
The race is the climax and the most important event in the two week of the “Kentucky Derby Festival”.
The event attracts thousands of spectators as it is known to be the greatest in North America.
Due to the numerous visitors during the festival days and the high demand for tickets and accommodations it is recommended to check hotel rates and book rooms & tickets well in advance.
The horse race time / schedule, how to get, parking etc, is present in the “Kentucky Derby”
link website below, under “Event Related Information” section.