The International Marblehead (MAR) is a class of radio controlled sailing yacht used for competitive racing. It is a measurement controlled classes administered by the International Radio Sailing Association

International Radio Sailing Association

The International Radio Sailing Association formerly the ISAF Radio Sailing Division is an affiliate member of the International Sailing Federation It is authorised to conduct up to three official World Championships each year.-Classes:...

. The classes link with IRSA entitles the class to hold World Championships official recognised by the International Sailing Federation

International Sailing Federation

The International Sailing Federation is recognised by the International Olympic Committee as the world governing body for the sport of sailing....

. A Marblehead has a maximum length of 1290 mm and a maximum draught of ca 700 mm, but no minimum displacement. Up to six rigs are allowed, the tallest being about 2200 mm.

World Championships

1998, Viry -Châtillon	Design Rad
2000, Los Narejos		Design Rok
2002, Ravenna Ravenna Ravenna is the capital city of the Province of Ravenna in the Emilia-Romagna region of Italy and the second largest comune in Italy by land area, although, at , it is little more than half the size of the largest comune, Rome...	Design Skapel Mk4	Design Prime Numbers
2006, Fleetwood Fleetwood Fleetwood is a town within the Wyre district of Lancashire, England, lying at the northwest corner of the Fylde. It had a population of 26,840 people at the 2001 Census. It forms part of the Greater Blackpool conurbation. The town was the first planned community of the Victorian era...		Design Prime Numbers	Design Rok

External links

• International Radio Sailing Association Website
• ISAF Marblehead Microsite Website