0 a running race of slightly over 26 miles (42.195 kilometres) -- 马拉松赛跑（全长42.195公里）
1 an activity that takes a long time and makes you very tired -- 马拉松式的活动，持久的活动
2 related to marathons (= running races) -- 马拉松的
a marathon runner 马拉松运动员
3 used to describe something that takes a very long time and makes you very tired -- 马拉松式的（形容一件事耗费了很长时间，使人精疲力竭）。
On the afternoon of the second day, three marathons occur.
He is also part of a tiny handful of runners who have logged sub-three hour marathons in five decades.
Mekonnen has the most sub 2:15 marathons of anyone: 32 in all.
Children engage in silent reading, read-aloud marathons, spellings and word identification, storytelling, story writing, painting and book making.
He began racing in marathons during his college years.
Wardian is known for the vast number of marathons he participates in.
In 2007, he ran 13 marathons (not including ultra-marathons), and seven marathons in a span of nine weeks (winning three).
A red-flag warning was issued during the race, and sixty-five people were hospitalized, which is in line with other marathons.
