[1] Among Brivio's greatest successes in the field of sports cars include a victory in the 24-hour race at Spa-Francorchamps (1932), two victories in the Targa Florio (1933 and 1935) and a win at the Mille Miglia (1936).

That year he won the pole position for the AAA-sanctioned Vanderbilt Cup, finishing third.

[2] He stopped racing after winning Mille Miglia in his own category in 1952.

After the Second World War, Brivio was a motorsport functionary; he became a member of the Italian Automobile Club and the Federation Internationale de l'Automobile (FIA), where he participated in the launch of the World Championship.

As a bobsledder, Brivio won a bronze medal in the two-man event at the 1935 FIBT World Championships in Igls.