What did greek women do when they couldn’t participate in the olympic games?

Married women were not allowed to participate in, or to watch, the ancient Olympic Games. However, unmarried women could attend the competition, and the priestess of Demeter, goddess of fertility, was given a privileged position next to the Stadium altar.

When Ancient Greece Banned Women From Olympics, They Started Their Own ... Scholars are unsure of when the Heraean Games began.

Women in the ancient Greek world had few rights in comparison to male citizens. Unable to vote, own land, or inherit, a woman's place was in the home and her purpose in life was the rearing of children.