Final answer:
Equestrian events were popular at the Isthmian games because they showcased strength and skill. Greek society highly valued horses and considered them symbols of power and status.
Step-by-step explanation:
Equestrian events were big at the Isthmian games because they were an important display of strength and skill.
These events included horse racing and chariot racing, which required participants to have excellent horsemanship and control of the chariot.
The ancient Greeks highly valued horses and considered them a symbol of power and status, making equestrian events a prominent feature of the games.