Maria Rosa Quario was one of the world's best slalom runners from 1979 to 1986 . She won four slalom races in her World Cup career . In addition, she achieved eleven other podium places. In the 1982/83 season she reached third place in the slalom ranking, in 1981/82 and 1984/85 fourth place. In the giant slalom she achieved two sixth places in Val-d'Isère and Pila in the 1981/82 season . In addition, she won on November 28, 1978 as part of the World Series of Skiing a parallel slalom on the Stilfser Joch, which is only part of the Nations Cup .
At the 1980 Winter Olympics in Lake Placid , Quario finished fourth in slalom, after having been third on the course for medals in the first run. Erika Hess pushed the Italian out of bronze by three hundredths of a second. Something similar happened to her at the 1982 World Ski Championships in Schladming when she was leading after the first run, but fell back to fifth place in the end. In 1983 she became the Italian slalom champion . At the 1984 Winter Olympics in Sarajevo , she finished seventh in slalom.
1986 Quario announced her resignation; she reports on winter sports for the Milan daily Il Giornale . Her daughter Federica Brignone is also a ski racer.