An important contribution of Vietti Violi at national and international level was in sport. Vietti-Violi observed in
Casabella, the international monthly dedicated to architecture: "... the rebirth of sport and, above all, the spirit of sport in Italy, as directed and organized by the fascist regime, initiated directly on an impressive renovation of sports works". His designs for sports facilities have emphasized the importance of planning the overall context: public transport and access road links, parking and stadium turnstiles. He has designed and supervised works for the construction of more than 33 racecourses, stadiums and sports facilities in Italy and abroad. Among the national ones: • 1911 Ippodromo di San Siro in Milan, Italy, for the gallop. Winner of the First Prize at the International Competition and execution of the project. Due to the First World War, the works were completed in April 1920. • 1923
Hippodrome of San Siro in Milan, for the trot; • 1923
Mirabello Racecourse in Monza, for galloping facilities and hurdles; • 1923 Casalone racetrack in Grosseto, with attached sports facilities; • 1924
Capannelle Racecourse in Rome; • 1926
Ippodromo di Agnano in Naples, for the executive project; • 1928
Ippodromo delle Cascine in Florence, for the trot, for enlargements and transformations; • 1928
Ippodromo delle Cascine in Florence, for the gallop, with enlargements and transformations; • 1928 Merano Racecourse, first facility; • 1930
Ippodromo dell'Arcoveggio in Bologna, for the trot in collaboration with the engineer Costantini; • 1933 Ankara Racecourse in Turkey, for galloping and complete sports city. Winner of the First Prize at the International Competition and execution of the project; • 1934 Istanbul Hippodrome in Turkey, general design for the gallop; • 1935 Merano racecourse, final design and execution of the works. Construction of the Andreina Stables for 260 horses; • 1937
Federico Caprilli Racecourse at Ardenza in Livorno, transformation and lighting project; • 1937 San Siro racecourse in Milan, transformations for the trot and design of stables; • 1939
Ippodromo delle Cascine in Florence, transformation and design of stables for 200 horses; • 1939 Mirafiori Racecourse in Turin, grandstand and track transformation project; • 1939 Addis Ababa Racecourse in Ethiopia, grandstand and track transformation project and associated sports facilities; • 1940
Le Bettole Racecourse in Varese, grandstand and track transformation project; • 1950 Racecourse of Valencia in Venezuela, for the gallop and associated sports facilities; • 1953 Montecatini Racecourse, grandstand, lighting and track transformation project in collaboration with the engineer Venturini; • 1953
Ippodromo delle Cascine in Florence, for the trot with a project for the transformation of grandstands and tracks; • 1955 Istanbul Hippodrome in Türkiye, for the gallop. Construction of stables for 260 horses; • 1957 Hippodrome of Adana in Türkiye, for the gallop; • 1957 Sayrne Racecourse in Turkey, for the galloping, grandstand, lighting and track transformation project. Later designs include the Lido racecourse in Venice, Italy, with canter and trot facilities, stables for 260 horses. In 1913 he went to Argentina, where he was invited to design the new headquarters of the Association Jockey Club of
Buenos Aires. Subsequently he went to Bombay in India, invited by the Western India Turf Club for the selection of designers for the construction of two racecourses in Bombay and Poona. From 1930 to 1932 he became technical advisor of the Monza racetrack. In 1932, with the young Hungarian Andreas Benko who collaborated in his studio, he created in Selvino (Bergamo) the
Sciesopoli di Selvino, a mountain colony for children commissioned by fascism and named after Antonio Sciesa, hero of the Risorgimento, inaugurated on 11 June 1933. The large colony consists of a complex of avant-garde buildings, completed in a very short time. The colony was equipped with dormitories, refectories, a heated swimming pool, cinema, infirmary, a large park of 17,000 square meters and courtyards for assemblies. Among the numerous financiers of the work who offered a total of 2,580,000 lire, as evidenced by the marble plaque in the entrance hall, there was the Duce
Benito Mussolini, who donated 5,000 lire for its construction. In 1937 in Yugoslavia, he was contacted for the project of the hippodrome of
Zemun in Belgrade in Yugoslavia and sports facilities in Sarajevo. In 1937 in Poland, he was contacted for the Warsaw hippodrome project by the local Jockey Club. In 1939 in Ethiopia, at the invitation of Equine Breeds Encouragement Society (S.I.R.E.), and request of the Vice King of Ethiopia, the Duke of Aosta, for the complete sports facilities in
Addis Ababa. In 1948 in Bulgaria, he was interviewed by the Bulgarian Government for the project of complete sports facilities in Sofia. In 1950 in Venezuela, he was invited by the government to study a drainage project for horse racing tracks. Carries out projects for complete sports facilities and the executive project for the racecourse of Valencia, Venezuela. Subsequently he carried out the project of the San Martino Stadium in
Genoa. The architect Vietti Violi has designed numerous indoor swimming pools during the years of his activity in Italy: covered swimming pool for the complex of sports facilities of
l'Aquila in Abruzzo; indoor swimming pool for the "Casa del Balilla" complex and related sports facilities Colonia Alpina di Sciesopoli in Selvino in
province of Bergamo; covered swimming pool for the "Casa del Balilla" complex and related sports facilities in Saronno, in Lombardy; The architect created the Palazzetto dello Sport at the Milan Fair, with the cycle path, which opened in April 1923 and the sports facilities of San Martino d'Albaro, L'Aquila, Merano, Saronno and Milano Marittima (Canella Giuntini, 2009) In 1936, Vietti Violi's project was inaugurated in
Ankara for the expansion to 60,000 seated spectators of the stadium 19 Mayıs Stadio ("May 19 Sports Stadium"), then the scene of many celebrations of national holidays. In a published description of the project, Vietti Violi mentions the militaristic connotations of sports activities in the 1930s: the stadium complex was "a grandiose and exceptional program which made it necessary to create a wide street for military parades" (Bozdoğan, 2001). Participates in the competition for the design of the Mustafa Kemal Atatürk mausoleum, in Anıtkabir (Christopher S. Wilson, 2009). Later in his career he designed BJK İnönü Stadium in
Istanbul,
Turkey, completed in 1954. == Civil works projects ==