marathon Marathi • marathoner · · · Info · Definitions · Synonyms · Characters · · marathon · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) any long and arduous undertaking. Synonyms: endurance contest. · · Noun Definition 1 (noun) a footrace of 26 miles 385 yards. · · Noun Definition 2 (noun) a battle in 490 BC in which the Athenians and their allies defeated the Persians. Synonyms: Marathon, battle of Marathon. · · Noun Definition 3 Synonyms · · · endurance contest · · Synonym 1 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074