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
ADJ
- 12-hour, 700-mile, etc.
- car, cycling, etc.
MARATHON + NOUN
- journey, walk
- effort
- match, race
- a marathon five-set tennis match
