marathon

n.	1.	A footrace of 26 miles 385 yards.
	2.	Any long and arduous undertaking, straining the endurance of the participants.
	3.	a battle in 490 BC in which the Athenians and their allies defeated the Persians.

Noun	1.	marathon - any long and arduous undertaking Synonyms: endurance contest
	2.	marathon - a footrace of 26 miles 385 yards
	3.	Marathon - a battle in 490 BC in which the Athenians and their allies defeated the Persians Synonyms: battle of Marathon

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