Carlo Gerosa took part in the Junior World Championship in Auron , France in 1982 and finished 32nd in the giant slalom . In August of the same year he was with the Italian team in New Zealand . He suffered minor injuries in a car accident on Mount Ruapehu , in which his teammate Bruno Nöckler and three supervisors were killed.
On December 2, 1984 Gerosa classified 13th in the World Cup slalom in Sestriere for the first time in the points. At the beginning of the 1987/88 season he was consecutively sixth and fifth in Sestriere and Madonna di Campiglio , which he qualified for the Olympic Games in Calgary . There he competed in three races: he finished 26th in the Super-G , and 17th in the giant slalom. His favorite discipline, slalom, ended with a disqualification in the second round. Two more times Gerosa reached fifth places in the World Cup, within a week in Oppdal and Lillehammer 1991, where he had each significant deficit on the podium. His best result at Italian championships was winning the silver medal that year. 1991/92 he completed his strongest season and qualified again with several top 10 placements for the Olympic Games in Albertville . With slalom rank eleven, he achieved his best result at a major event. He finished the World Cup discipline ranking as the second best Italian after Alberto Tomba with seventh place. He contested his last World Cup race in February 1994 in Garmisch . In the 1994/95 season he took part exclusively in FIS and European Cup races before ending his career.