Kenya 🇰🇪 as had clean sweep over 10000m on a track 1-2-3-4 back in Daegu championships 2011, women's marathon 1-2-3 in Daegu championships 2011, world half marathon championships 2016 1-2-3-4-5 Denmark 🇩🇰 and now world cross country championships 1-2-3-4-5-6. Pure dominance.