Driving an Alfa Romeo 8C 2900b, Clemente Biondetti won the 1938 Mille Miglia for sports cars and at the Coppa Ciano finished second in the voiturette class then third in the main event.
Pilotando un Alfa Romeo 8C 2900b, Clemente Biondetti gañou a Mille Miglia de 1938 para o coches deportivos e na Coppa Ciano terminou segundo na clase voiturette e terceiro na clasificación xeral.