Rambai muchinyora ndima ino - Akazvarwa muLangenzenn muBavaria, Dollinger akaonekwa paOlympics yeAmsterdam muna 1928 aine makore gumi nemanomwe uye akakwikwidza mumakwikwi eOlympic ekutanga evakadzi emamita mazana masere. Somukundi wekutanga-kutanga 800 m kupisa, nguva yake ye2:22.4 maminitsi yaive rekodhi yekutanga yeOlympic yechirango. Akasvika kumagumo emakwikwi uye akapedza ari wechinomwe apo mumwe wake mukuru Lina Radke akatora ndarama munguva yepasi rose. Akavandudza nguva yake yakanakisisa kusvika pamaminitsi 2:17.5 gore rakatevera racho, achiva wokutanga munyika gore iroro. Akapinda muMitambo Yenyika Yevakadzi ya1930
pakati pevanodiwa asi akarohwa munzvimbo yechipiri nomumhanyi weBritain Gladys Lunn. MuMagdeburg muna 1931 akaenzana nekodhi yenyika yaRadke ye2:16.8 maminitsi, asi izvi hazvina kuzobvumirwa zviri pamutemo neInternational Association of Athletics Federations