Kammala jumla mai zuwa: An haife shi a Langenzenn a Bavaria, Dollinger ya bayyana a gasar Olympics ta Amsterdam a 1928 yana da shekaru goma sha bakwai kuma ya yi gasa a gasar Olympics ta farko ta mata mita 800. A matsayinta na mai nasara a farkon zafin mita 800, lokacinta na minti 2:22.4 shine farkon rikodin wasannin Olympic don horo. Ta kai wasan karshe na gasar kuma ta gama ta bakwai yayin da tsohuwar 'yar kasar Lina Radke ta dauki zinare a cikin rikodin duniya. Ta inganta mafi kyawunta zuwa minti 2:17.5 a shekara mai zuwa, tana matsayi na farko a duniya a wannan shekarar. Ta shiga cikin
Wasannin Wasannin Duniya na Mata na 1930 daga cikin waɗanda aka fi so amma an doke shi zuwa matsayi na biyu ta tseren Burtaniya Gladys Lunn. A Magdeburg a 1931 ta dace da lokacin rikodin duniya na Radke na minti 2:16.8, amma wannan ba a yarda da shi ba daga Ƙungiyar Ƙungiyar Ƙungiyar Ƙasa ta Duniya.