1. [ noun ] any long and arduous undertaking
Synonyms: endurance_contest
Related terms: undertaking
2. [ noun ] (sport) a footrace of 26 miles 385 yards
Related terms: footrace
3. [ noun ] (military) a battle in 490 BC in which the Athenians and their allies defeated the Persians
Synonyms: battle_of_Marathon
Related terms: pitched_battle Greece Greece
Similar spelling:   marathoner