Career
Compagnoni, born in Santa Caterina Valfurva, is the brother of the skiers Severino and Ottavio Compagnoni. At the 1935 Trofeo Mezzalama, together with Mario Compagnoni and Silvio Confortola, he finished third. He participated in the demonstration event, military patrol (precursor to biathlon), in the 1948 Winter Olympics, when he had the military rank Sergente.
Further notable results were:
1939: 1st, Italian men"s championships of cross-country skiing, 18 km
1940: 3rd, Italian men"s championships of cross-country skiing, 18 km
1941: 1st, Italian men"s championships of cross-country skiing, 50 km
1943: 2nd, Italian men"s championships of cross-country skiing, 50 km
1946: 3rd, Italian men"s championships of cross-country skiing, 18 km.