Convert palm (U.S.) to marathon
Selected category: length.
Definition and details for palm (U.S.):
Palm (U.S.) is a traditional unit of length equal to the length of a person's hand, from wrist to the end of the middle finger. This kind of palm definition was common in the U.S. during 19th century. One palm was equal to 9 inches or 22.86cm and it was comparable to span.
Definition and details for marathon:
Marathon is a long distance foot race with an official distance of 42.195 kilometers. The name Marathon comes from the legend of Pheidippides, a Greek messenger, who was sent from the battlefield of Marathon to Athens to announce that Greeks won Persians in the battle of Marathon, in which he had just fought. Pheidippides ran the entire distance without stopping and burst into the assembly, exclaiming "ΝΕΝΙΚΗΚΑΜΕΝ" (We have won.) before collapsing and dying.