The International One Metre (IOM) is a class of Radio Sailing Boat used for racing under the World Sailing - Racing Rules of Sailing. It is a measurement-controlled box rule originally created by the ISAF-RSD (now the International Radio Sailing Association) in 1988 in an attempt to harmonise the various one metre rules created around the world. The IOM Class Rules specify a standardised sail plan and control of the other major performance dimensions (displacement, length, and draught) while allowing some freedom in hull design. The IOM is now the largest and arguably most competitive of all radio sailing classes.
History The International One Metre Class Association was formed in 2003 as an owners association to support the class and promote racing. This function was originally carried out by the International Radio Sailing Association (previously known as the ISAF-RSD or Radio Sailing Division). The continuing association with IRSA entitles the class to hold World Championships officially recognised by the World Sailing.
Events World Championship See One Metre World Championship
Asian Championship 2025, Qingdao, China29 Boats Own Design VISS (Continental Champion) Design K2 Design Venti
European Championship 1996, Fleetwood, England60 BoatsOwn Design RedwineDesign Metrick MagickDesign Tonic1998, Leixoes, Portugal53 Boats Own Design Ikon Design Scoop Design Mirage2000, Saint-Cyr, France74 Boats Design Widget Design Ikon Own Design Italiko2002, Fleetwood, England80 Boats Design WidgetDesign EriccaOwn Design Stealth2004, Arcos de la Frontera, Spain82 Boats Own Design TopikoDesign Isotonic Design Ikon2006NOT HELD2008, Dubrovnik, Croatia70 BoatsDesign PikantoDesign PikantoDesign Topiko2010, Pierrelatte, France70 BoatsDesign Pikanto Own Design BritPOP!Design Pikanto2012, Cres, Croatia76 Boats Own Design BritPOP! Own Design Kantun Design BritPOP!2014, 76 Boats Own Design POP Design BritPOP! Design BritPOP!2016, Vitoria, Spain76 Boats Own Design POP Design BritPOP Design BritPOP2018, Rogoznica, Croatia76 Boats Own Design Kantun 2 Design Kantun 2 Design BritPOP2023, Torrevieja, Spain80 Boats Own Design VISS Design V11 Design Venti2025, Rogoznica, Croatia98 Boats Design K2 Design Venti Design Venti
North American Championship 2023, Hobe Sound, Florida66 Boats Own Design K2 Own Design V12 (Continental Champion) Design K2
Oceania Championship 2025, Lake Pegasus, Canterbury66 Boats Design vENTI(Continental Champion)Own Design V12DesignGC24
South American Championship 2023, Lake Rupanco, Chile36 Boats Own Design K2 Design Venti (Continental Champion) Design Venti
References
External links Official One Metre Class Association Website International Radio Sailing Association Website ISAF One Metre Microsite Website