Marathon is a foot race of 26 miles and 385 yards. Marathon is also a term that can be used for any long and arduous undertaking. Funny marathon can be used to imply some hard venture which eventually turns out to be funny. Funny marathon can also imply a funny foot race among people. Marathon runners while running along the race course to end their monotony. Hence, a strong need is felt for funny marathon signs so as to keep the runners motivated and all refresh their moods while they run a long race and compete with each other.
Marathon is hardly funny and it usually involves great focus, intensity and extreme fitness levels from the runner to prevail over other competitors in order to win the race. To lighten the mood of such serious marathon runners from time to time, funny marathon sign-boards are put up at different places along the race course.