The age in which the heroes lived is known as the heroic age. The epic and genealogical poetry created cycles of stories clustered around particular heroes or events and established the family relationships between the heroes of different stories; they thus arranged the stories in sequence.
After the rise of the hero cult, gods and heroes constitute the sacral sphere and are invoked together in oaths and prayers which are addressed to them. In contrast to the age of gods, during the heroic age the roster of heroes is never given fixed and final form; great gods are no longer born, but new heroes can always be raised up from the army of the dead. Another important difference between the hero cult and the cult of gods is that the hero becomes the centre of local group identity.
The monumental events of Heracles are regarded as the dawn of the age of heroes. To the Heroic Age are also ascribed three great events: the Argonautic expedition, the Theban Cycle and the Trojan War.
Here's a list of popular Greek myths of the heroic age: