Kammala jumla mai zuwa: Saboda Yaƙin Duniya na II, Landelius ya buga wasanni 21 ne kawai na ƙasa da ƙasa tare da ƙungiyar Sweden. Mafi mahimmanci, an zabe shi a matsayin mafi kyawun mai karewa a cikin
Gasar cin kofin duniya ta 1947 a lokacin da kasarsa ta lashe lambar azurfa. Ya kuma yi gasa a Wasannin Olympics na 1948 a St. Moritz, inda Sweden ta gama a matsayi na hudu.