- marathon, endurance contest - any long and arduous undertaking
--1 is a kind of undertaking, project, task, labor
- marathon - a footrace of 26 miles 385 yards
--2 is a kind of footrace, foot race, run
- Marathon, battle of Marathon - a battle in 490 BC in which the Athenians and their allies defeated the Persians
--3 is a kind of pitched battle
- Marathon, battle of Marathon - a battle in 490 BC in which the Athenians and their allies defeated the Persians