Dee ihe na-aga n'ihu maka paragraf a - Mgbe ọ dị afọ 16, Dahlin bụ onye ọkpụkpọ kachasị na-eto eto na-eyi uwe maka Sweden na IIHF World U20 Championship, na onye ọkpụkpọ kachasị na-eto eto na 2017 World Junior Ice Hockey Championship. Dahlin gbara asọmpi na 2018 World Junior Ice Hockey Championship
maka Sweden, na-edekọ isii enyere aka ma na-enyere aka na-eduzi ndị otu iji merie ọlaọcha. Akpọrọ ya onye agbachitere kachasị n'asọmpi ahụ mgbe ọ gbasịrị akara nke abụọ kachasị n'etiti ndị na-agbachitere asọmpi. Mgbe Dahlin na ọtụtụ ndị otu egwuregwu ndị ọzọ wepụrụ ọlaọcha ha mgbe ha natara ha n'oge emume nrite, a kwụsịtụrụ ya maka egwuregwu abụọ mbụ nke 2019 World Junior Ice Hockey Championship.