There does not appear to be any people called Marethons.
There was no 'greek and marathon war'.
what are the names of the armies that had war with the greeks
Yes, the Spartans did fight against the Greeks. They fought them in the Peloponnesian War.
the Greeks
The Persians attacked the Greeks in the Persian war
It was a fight between the Greeks and the Trojans
The city-states of Sparta and Athens were constantly feuding, and this occasionally led to war.
The Trojan War where the Greeks fought the Trojans
From 499 BCE to 449 BCE.
The invading Achaeans (Greeks) and the cities of Asia Minor.
He was on the side of the Greeks, fighting against the Trojans.
The tale of the Trojan war is most famously told in the Iliad. The Greeks were led by Menelaus and his brother Agamemnon.