De Zolt also won six medals at the
FIS Nordic World Ski Championships, including one gold (50 km: 1987), three silvers (50 km: 1985, 4 × 10 km relay: 1985, 1993), and two bronzes (15 km: 1985, 50 km: 1991). At the Opening Ceremony for the
2006 Winter Olympics in
Turin on 10 February, he and his 4 × 10 km relay teammates (
Giorgio Vanzetta,
Marco Albarello, and
Silvio Fauner) who won the gold at the 1994 Winter Olympics in Lillehammer, were among the last carriers of the Olympic torch before it was lit by fellow Italian cross-country skier
Stefania Belmondo. De Zolt was formerly a
firefighter, and once placed second in ladder climbing at the World Fireman Championships. ==Cross-country skiing results==