 Akatanga kuzivikanwa nevanhu achiri kukwikwidza achishandisa zita rake remusikana rekuti Klapezynski paakaita maOlympics eMontreal muna 1976. Gore iroro, akaisa nguva yake yakanakisisa ye1:57.06min ye800 m uye 3:59.9min ye1500 m, asi akasarudza kungogumira ku1500 m muMontreal pakupedzisira kuhwina menduru yebronze shure kwemukundi, Tatyana Kazankina USSR. Klapezynski zvakare akapedza shure kweKazankina paakakunda sirivha ye1500 m pamutambo wekutanga weWorld Cup muDusseldorf gore rinouya. Akazohwina zita rake oga, achipedza ari wokutanga pamakwikwi emamita 800 muEuropean Indoor Championships muna 1978muMilan. Gare gare gore iroro, Bruns akaisa rekodhi yenyika pamamita 1000 musi wa18 Nyamavhuvhu muBerlin, achiita 2:31.95min, asi akarasikirwa nerekodhi iyoyo mazuva maviri chete gare gare. Akaodzwa mwoyo zvikuru pashure pacho kuti apedze 7th pazvose zviri zviviri 800 m uye 1500 m paEuropean Championships muPrague. Zvaiita sokuti basa rake rakanga risingafambi zvakanaka pashure pokunge apedza nzvimbo yechishanu pamakwikwi eOlympics eMoscow muna 1980 uye muEuropean Championships muna 1982 muAthens, asi Bruns akatendeukira kumakwikwi akareba mukutanga kwema1980, uye kunyange zvazvo asina kukwikwidza pa 1984 Summer Olympics muLos Angeles, nekuda kweEastern Bloc boycott, akanyora hupenyu hwake hwakanakisisa pa 3000 m gore iroro, achiita 8:36.38min muna July. 