Mezue ahịrịokwu na-esonụ: Na ngwụcha afọ 2011 Shim mere South Korea World Junior Championships Team mgbe ọ dị afọ 14. N'ọnwa Jenụwarị afọ 2012, o sonyere na
emume mmeghe nke Winter Youth Olympics emere na Innsbruck, ebe ọ kpochapụrụ ihe omume abụọ (500 m, 1000 m). O nwetakwara nrite ọla nchara na 3000 m agwakọtara mba / nwoke na nwanyị dị ka onye otu otu egwuregwu agwakọtara nke ndị na-agba ọsọ na-anọchite anya mba dị iche iche.