(anc. geogr.), one of the demi or hamlets of Attica; about 10 miles to the north-east of Athens, towards Boeotia, near the sea; famous for the victory of the Athenians over the Persians under Miltiades; and for the Marathonian bull slain by Theseus, (Plutarch, Ovid). Near Marathon is a bog, into which the Persians plunging in their flight stuck fast, and were slain by the conquerors.