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Nell'agosto del 1994 fu trovato positivo alla caffeina a un controllo antidoping e fu squalificato per tre mesi. Si ritirò dal mondo del ciclismo professionistico nel 1998, al termine dell'ultima gara stagionale, il Giro di Lombardia. Negli anni 2000 si dedica al volo, è un pilota di elisoccorso ed è pilota dell'elicottero di ripresa del Giro d'Italia
Gianni Bugno (Brugg, February 14, 1964) Professional from 1985 to 1998, was world champion on the road in 1991 and 1992. In the great revolutions of nine stage wins in the Tour of Italy, and the final success in 1990, four stages in the Tour de France and two in the Vuelta a España. Between 1990 and 1991 was the number one world ranking UCI.Nato in Switzerland, but always based in Monza, went professional in 1985, achieving 72 wins in 1990 carriera.Nel won the Tour of Italy, wearing the pink jersey from first to the last stage, as they had been able to do before him only constant Girardengo, Alfredo Binda and Eddy Merckx. In the same year she won a bronze medal at the World Championships in Utsunomiya, while in the two following years was World Champion. Also in 1990 he was awarded the victory of the Milan-Sanremo and the Wincanton Classic, winning the final standings of the World Cup. Also won the Cup in Clásica de San Sebastián in 1991 (with 30 km of flight alone) and the Tour of Flanders in 1994 (beating Johan Museeuw photo finish). After the victory in 1990 came two more times in the top ten of the special classification: seventh and sixth in 1994 but never succeeded in 1995.Non to win his race "home", the Giro di Lombardia. We still came second in 1988 behind Charly Mottet and sixth in 1996. Moreover, he came second in Gent-Wevelgem in 1988, nell'Amstel Gold Race in 1993 and Liege-Bastogne-Liege and the Swiss Grand Prix 1995.Oltre the Giro in 1990, he won other stage races: the Tour of Trentino in 1990, the Giro di Calabria in 1988, the Bicycle Tour of the Basque Country in 1991 and in the Mediterranean 1995.Al Tour de France won the second place overall in 1991, behind Miguel Indurain, and the third in 1992, preceded by Indurain and Claudio Chiappucci. Also won for two consecutive years (1990-1991) the stage of Alpe d'Huez. Other placings in stage races were ranked seventh in the Tour de France in 1990, fourth place in the Tour of Italy in 1991 and ' eighth place in the Tour of Italy in 1994. He was second in the Tour of Switzerland in 1992, third in 1996, third in the Giro and the Dauphiné in 1992 second in the Vuelta a Burgos in 1991.In Italy scored two victories in the Italian league on the road (1991 and 1995 Giro del Friuli Trofeo Matteotti), three consecutive revolutions of the Apennines (1986-1988), two Coppa Agostoni (1988 and 1995), a Giro del Piemonte (1986), a Three Valleys Varese (1989), a tour of Emilia (1992), a Milan-Turin (1992), a Giro del Lazio (1992). Twice he finished second at the Italian Championship of Road Cycling, beaten in 1989 by Moreno Argentin and the photo finish in 1995 for separation from Massimo Podenzana.
In August 1994 he was found positive for caffeine in a dope test and was banned for three months. He retired from the world of professional cycling in 1998, after the last race of the season, the Giro di Lombardia. In 2000 he devoted himself to flight, a helicopter pilot and pilot of the helicopter recovery of the Tour of Italy