Ku dhammaystiro weedha soo socota: waa orodyahan reer Japan ah oo tartamaya tartamada marathonka iyo marathonka. Waxay Japan ku matashay tartanka marathon-ka ee tartanka ciyaaraha fudud ee adduunka ee 2011 waxayna ku tartantay tartanka marathon-ka ee adduunka.
2012 IAAF World Half Marathon Championships, oo qaatay bilada naxaasta ah ee kooxda.