- a footrace or wheelchair race over a course measuring 26 miles 385 yards (42 kilometers 195 meters).
- any long-distance race.
- any contest, event, or the like, of great, or greater than normal, length or duration or requiring exceptional endurance: a dance marathon;a sales marathon.
- a plain in SE Greece, in Attica: the Athenians defeated the Persians here 490 b.c.
- an ancient village that is near this plain.
- a son of Epopeus and the father of Corinthus.
- a race on foot of 26 miles 385 yards (42.195 kilometres): an event in the modern Olympics
- any long or arduous task, assignment, etc
- (as modifier)
- a plain in Attica northeast of Athens: site of a victory of the Athenians and Plataeans over the Persians (490 bc)
