Rubuta ci gaba don wannan sakin layi - An zaɓi nisan kilomita 40 saboda nisan da ke raba Marathon da Athens. Tsawon tseren na yanzu shine kilomita 42.195, wanda IAAF ta kafa a 1921 a matsayin daidaitaccen tsayin marathon, bayan tseren wasannin Olympics na 1908
a birnin Landan.