Mezue ahịrịokwu na-esonụ: N'oge nke abụọ ya na WHL, 2012<unk>13, Klimchuk mere ka ọ dịkwuo mma na 76 isi ma mechie nke abụọ na otu egwuregwu. O mere ngosipụta abụọ na ndị otu mba Canada n'okpuru afọ 18. Ọ bụ onye otu ndị otu Canada meriri ọla edo na 2012 Ivan Hlinka Memorial Tournament. N'ịgba egwu n'elu ahịrị na Sam Reinhart na Connor McDavid, Klimchuk gbatara ihe asatọ iji nyere aka duzie Canada na nrite ọla edo na
2013 IIHF World U18 Championship.