any long and arduous undertaking
a footrace of 26 miles 385 yards
a battle in 490 BC in which the Athenians and their allies defeated the Persians
- It takes stamina to run a marathon.
- He can hardly run a mile, much less the marathon.
- Towards the end of the marathon several runners showed signs of distress.
- My job interview was a real marathon.
British runners are to be found among the leaders in almost every international Marathon.出自： John Hopkins