1
general::
noun long race ADJ. half, full VERB + MARATHON prepare for, train for | compete in, run, take part in | complete, finish | win MARATHON + NOUN champion, runner | racing, running He says that he keeps fit by marathon running. long activity ADJ. 12-hour, 700-mile, etc. | car, cycling, etc. MARATHON + NOUN journey, walk | effort | match, race a marathon five-set tennis match
Oxford Collocations Dictionary