According to mythology, the first chariot race took place in the Hippodrome of Olympia between King Tantalus and King Oenomaus of Pisa, son of Ares, where the horses are declared winners and enjoy their whole lives in the castle.
The Hippodrome of Olympia housed the equestrian contests (horse racing and chariot racing) of the Ancient Olympic Games. According to mythology, the first chariot race took place in Olympia between King Pelops and King Oenomaus of Pisa. 
