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The International Marblehead is a class of radio controlled sailing yacht used for competitive racing. It is a measurement controlled class administered by the International Radio Sailing Association.
As a designated International IRSA class it is entitled to hold World Championships officially recognised by the International Sailing Federation. 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.
Events
editWorld Championships
edit| Gold | Silver | Bronze | Ref. | |
|---|---|---|---|---|
| 1998 Viry-Châtillon  France
|
 Graham Bantock (GBR) Rad (Own Design) |
 Guillermo BELTRI (ESP) |
 Janusz Walick (GER) | |
| 2000 Los Narejos Spain
|
Guillermo BELTRI (ESP) |
Graham Bantock (GBR) Rok (Own Design) |
Janusz WALICKI (GER) | |
| 2002 Ravenna  Italy
|
Guillermo BELTRI (ESP) Skapel Mk4 |
Graham Bantock (GBR) Prime Number (Own Design) |
Martin ROBERTS (GBR)
| |
| 2006 Fleetwood United Kingdom
|
Martin ROBERTS (GBR) Starkers 2 |
 Ante_Kovacevic (CRO) Prime Number |
Zvonko_Jelacic (CRO) Rok | |
| 2012 Ploërmel France
|
Brad GIBSON (GBR) Grunge (Own Design) |
Graham Bantock (GBR) Prime Numbers (Own Design) |
Martin ROBERTS (GBR) Starkers 2 | |
| 2014 Gouda  Netherlands
|
Brad GIBSON (GBR) Grunge (Own Design) |
Graham Bantock (GBR) Quark (Own Design) |
Ante Kovacevi (CRO) Quark | |
| 2016 Lake Garda Italy
|
Brad Gibson (GBR) Grunge (Own Design) |
Matteo Longhi (ITA) UNKNOWN |
Graham Bantock (GBR) Quark (Own Design) | |
| 2018 Biblis Germany
|
Brad Gibson (GBR) Grunge (Own Design) |
Christophe Boisnault (FRA) Grunge (Brad Gibson) |
Peter Stollery (GBR) Up (Roger Stollery) |
[1] |
| 2020 West Kirby United Kingdom
|
CANCELLED DUE TO COVID 19 | |||
| 2023 Castiglione del Lago Italy
|
Patrice Montero (FRA) Grunge (Brad Gibson) |
Christophe Boisnault (FRA) Expresso (Own design) |
Ante Kovacevic (CRO) Grunge (Brad Gibson) |
[2] |