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    The D35 Trophy

    Zoom in on the boats that make it up

    Presentation – The D35 Trophy

    Organized by the Association of D35 Owners (APD35), the D35 TROPHY is a regatta circuit featuring Decision 35 multihulls.

    The circuit combines two race formats: on the one hand, the classic regattas on Lake Geneva, the Geneva-Rolle-Geneva and the famous Bol d’Or Mirabaud; on the other hand, five Grand Prix events, exclusively reserved for Decision 35s, in which teams compete in a succession of relatively short races, each lasting 25 to 30 minutes.

    The teams sail strictly identical boats, D35 multihulls, boats that combine performance and high technology. This so-called one-design requirement thus allows the sailors to compete on equal terms and to showcase their know-how and skill.

    The teams compete on strictly identical boats, D35 multihulls, boats that combine performance and high technology.

    The teams entered include some of the best specialists in Lake Geneva regattas, as well as internationally renowned skippers and sailors.

    This combination of local roots and the presence of the world’s top teams makes the D35 Trophy unique in the world.


    The D35 TROPHY championship was born in 2004. It was then called the Challenge Ferrier Lullin, which was succeeded by the Challenge Julius Baer and then the Vulcain Trophy.

    The first edition was won by the Zebra 5 team led by Etienne David, then surrounded by a young crew from the Geneva Regatta Training Centre (CER). Since then, Nicolas Grange and Loïck Peyron on Okalys-Corum, Ernesto Bertarelli on Alinghi, Pascal Bidégorry on Banque Populaire, Michel Desjoyeaux on Foncia and Jérôme Clerc on Realteam have all added their names to the list of winners of this flagship event on the Lake Geneva calendar.

    The first race of the season was held in Geneva in the summer of 2008.

    Other big names in international sailing such as Russell Coutts, Alain Gautier, Franck Cammas and Paul Cayard have written some of the finest pages in the history of the circuit.

    This championship continues a true regional tradition of competitive multihull racing that dates back to the 1980s. Before the arrival of the Decision 35 in 2004, the fleet of Lake Geneva multihulls was preceded by the queen class of “Formula 40s”, made up of innovative prototypes continually developed by ingenious and passionate personalities.

    The D35 Trophy is the result of a long tradition in the region.

    The D35 Trophy is the result of several decades of innovation and research specific to Lake Geneva (see B. Schopfer’s book, La formidable saga des multicoques du Lac Léman. D’Altaïr à Alinghi, 2009).

    The Decision 35

    Designed by the sebschmidt design office in 2004, the Decision 35 (D35) is a boat exclusively intended for competition and its handling is particularly demanding. It is a multihull that has been specifically designed for the light wind conditions that are predominant on Lake Geneva. It has an exceptional weight to power ratio.


    The D35 was developed in the early 2000s in response to the escalating costs of multihull technology development on Lake Geneva.

    A group of owners came together around naval architect Sebastien Schmidt to give birth to a high-performance yet affordable catamaran, all in the spirit of class and cost containment. The class has steadily grown and now has 12 units.


    At 35 feet (10.81 meters) in length, with a mast height of over 20 meters, the D35 is a boat that combines great technological qualities. The prepreg carbon hull, less than a millimetre thick, is a perfect illustration of this.

    Her structure presents a real peculiarity: the boat is composed of three hulls, but only two of them are floats. The central hull, in fact, serves as a stiffening structural element and absorbs the stresses of the structure and the rigging. This solution is both light and efficient and provides excellent aerodynamics. The hulls are all made of carbon-nomex sandwich for maximum lightness (total weight of 1200 kg).

    With over 160 square meters of sail area upwind, the D35 can reach speeds of 30 knots or about 50 km/hour.

    Technical data

    Hull length: 10.81m
    Overall length: 14.95m
    Width over hull: 6.89m
    Width overall : 8.74m
    Unladen weight ready to sail : 1200kg
    Mainsail area : 81.6m2
    Foc: 21m2
    Solent: 40.7m2
    Genoa : 70.8m2
    Reacher: 131.1m2
    Minimum crew: 5 people
    Maximum crew weight: 456 kg

    Decision Ship

    Participation in projects as different as the America’s Cup, for which Chantier Décision built the boats of the Alinghi team – winner of the 2003 edition -, the skylight of Nestlé’s administrative centre in Vevey – a true architectural and technical feat – or Bertrand Piccard’s Solarimpulse solar airplane project indeed confirm, if necessary, a perfect mastery of composite materials, whatever the field of use.

    The construction of the Decision 35s definitively establishes the Vevey shipyard as a reference in shipbuilding.

    Since its creation in 1983, Décision has been building structures whose common point is based on the creative exploitation of research on composite materials. The know-how acquired in the implementation of carbon, glass or aramid fibres finds applications in the naval industry as well as in construction, industry or sport.



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