 Ramba uchinyora ndima iyi - Akakundawo mumakwikwi emamita 200 emunhu mumwe chete mumitambo imwe chete iyoyo yeOlympic, achiisa rekodhi itsva yenyika. Makore maviri apfuura, Larsson akagamuchira Svenska Dagbladet Gold Medal nekuda kwekushambira kwake mumakwikwi eEuropean muna 1970 kwaakakunda goridhe matatu 200 metres medley, 400 metres medley uye 400 metres freestyle uye sirivheri imwe 200 m freestyle. Gore rakatevera, 1973, Larsson akakunda 200 metres individual medley paFINA World Championships yokutangamuBelgrade. 