noun
a long-distance running race, strictly one of 26 miles 385 yards (42.195 km)
adjective
relating to or characteristic of a marathon
-
The annual city marathon attracts thousands of participants from all over the world.
-
I can't believe I signed up for a marathon next month, I hope I can finish it!
-
Running a marathon is no joke, it's a real test of endurance.
-
Getting through a difficult project at work can feel like running a mental marathon.