What was the duration of the ancient Olympic Games?

The ancient Olympic Games were officially held for a duration of five days. This period was dedicated to a variety of athletic competitions and religious ceremonies in honor of Zeus. Each day of the games was marked by specific activities, starting with a religious festival and including events such as running, wrestling, boxing, and chariot racing. The five-day structure allowed ample time for both athletic contests and the accompanying festivities that formed an important part of the cultural significance of the games in ancient Greece. This schedule reflects the historical context and traditions surrounding the Olympics, making the five-day duration the correct answer.