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J 24 blue.svg
Class symbol
J24 sailboat 0925.jpg
DesignerRod Johnstone
Crew3 – 5
Draft1.22 m (4 ft 0 in)
Hull weight1,406 kg (3,100 lb)
LOA7.32 m (24.0 ft)
LWL6.10 m (20.0 ft)
Beam2.71 m (8 ft 11 in)
Hull appendages
Keel/board typeFixed
Rig typeFractional rig
Mainsail area12.68 m2 (136.5 sq ft)
Jib/genoa area11.58 m2 (124.6 sq ft)
Spinnaker area41.7 m2 (449 sq ft)
J/24 Europameisterschaft race, 2007

The J/24 is an international One-Design keelboat class as defined by World Sailing.[1] The J/24 was created to fulfill the diverse needs of recreational sailors such as cruising, one design racing, day sailing, and handicap racing.[2]

The J/24 class has more than 50,000 people sailing 5,500 boats worldwide; is established in nearly 40 countries with well over 150 active fleets, and is still considered the "gold standard" for modern one-design keelboats around the world. It is the world's most popular One-Design keelboat as measured by hulls produced.[3][4][5][6][7][8]


In the summer of 1975 Rodney Johnstone designed and built hull number 1 in his garage in Stonington, Connecticut. "Ragtime" would serve as the master mould for the subsequent hulls. This design allowed him to start the very successful J-Boat company with his brother Bob Johnstone. By 1978 the class was popular enough to hold a one-design regatta in Key West with twenty boats on the line.[9]

Early boats (hull numbers up to 3000) need a lot of work to rebuild their keel shape (move material forward) to make them point and sail fast in light wind. These older boats can be modified if one wants a competitive J/24. New boat manufacturing is done by multiple companies around the world in France, USA, Italy and Argentina.[10] In the US, J/24s are built by US Watercraft.

As of January 2009, approximately 5,475[11] J/24s have been produced. Approximately 20 new boats were produced in 2008. The average price of a complete, new boat without sails was approximately £20,000. (31,370 USD)[11]

Authority, rules and regulations[edit]

The international authority for the class is World Sailing, which shall cooperate with the International J/24 Class Association on all matters regarding these rules. Interpretations of these rules shall be made by the ISAF, which in coming to its decision may consult the International J/24 Class Association and the copyright holder.[2]

The International J24 Class Association (IJCA) has the sole authority worldwide for the conduct and management of the International J/24 Class. The IJCA Constitution, the By-laws and other regulations are binding on all members, and all registered J/24s shall conform to Class Rules and any limitations imposed by the IJCA and ISAF.[12] IJCA is a "not-for-profit" organization.

Current rules (as well as the history of changes) for the International J/24 Class is available from World Sailing web site[13]

Crew requirements[edit]

J/24s are usually raced with a crew of five, but class rules require three crew, with a total combined weight of under 882 lbs (400 kg).

Reasons for the J/24's popularity[edit]

The J/24 is no longer considered the most modern sailboat in its class, but it is still a very popular sailboat among keelboat racers. While some of the world's best J/24 sailors have the latest version J/24, a well-prepared 1977 model, built to the same shape and weight with rigid end-grained balsa core construction can still win sailing the class world championship even after 30,000+ miles of trailering.[3] This is one of the many advantages of One-Design sailing that the J/24 is benefitting from.

Another reason for its popularity is that it is fairly easy and inexpensive to acquire a used boat and gear due to the large number of boats produced. There are 136 active fleets in the US alone,[14] which offer a lot of race competition. This makes the J/24 a popular boat for beginners and experienced sailors.

J24 sailing downwind in San Francisco bay


World Championships[edit]

Gold Silver Bronze
1979 Newport  United States
Charlie Scott
1980 San Remo  United States
John Kolius
1981 Sydney  Australia
Mark Bethwaite
1982 San Francisco  United States
John Kolius
1983 Malmö  United States
Ed Baird
1984 Poole  United States
David Curtis
1985 Atsumi  United States
Ken Read
1986 Newport  United States
Ken Read
1987 Capri  Italy
Francesco de Angelis
1988 Sydney  United States
John Kostecki
1989 Kinston  United States
Larry Klein
1990 Dublin  United States
Jim Brady
1991 Piraeus  United States
Ken Read
1992 Annapolis  United States
Ken Read
1993 Abersock  United States
Ken Read
 United States
Terry Hutchinson
G. Bequerizes
1994 Melbourne  United States
Ken Read
1995 Rochester  United States
Bill Fortenbury
1996 Porto Cervo  United States
Chris Larson
1997 Buenos Aires  United States
Vince Brun
1998 San Francisco  United States
Terry Hutchinson
1999 Genova  Italy
Vasco Vascotto
2000 Newport  United States
Brad Read
2001 Osaka  Japan
Kazuyuki Hyodo
Juan Ignacio Grimaldi
Yutaka Takagi
2002 Kingston  United States
Brad Read
Randy Borges
David McClintock
Paul Grenaver
Will Jeffers
 United States
Tim Healy
 United States
Geoffrey Moore
2003 Medemblik  Italy
Lorenzo Bressani
 United States
Andy Horton
Rudi Wolfs
Gabriele Benussi
2004 Noroton  United States
Jens Hookanson
 United States
Jeffrey Johnstone
 United States
Max Skelley
Chris Crockett
2005 Weymouth  U.S. Virgin Islands
Anthony Kotoun
Mauricio Oliveira
Luigi Ravioli
2006 Melbourne  Brazil
Mauricio Oliveira
Wataru Sakamoto
 Great Britain
Ian Southworth
2007 Nuevo Vallarta  Brazil
Mauricio Oliveira
 United States
Mike Ingham
 United States
Mark Hillman
2008 Cannigione  Italy
Andrea Casale
Milev Rossi
 Great Britain
Ian Southworth
2009 Annapolis  Brazil
Mauricio Santa Cruz
Daniel Santiago
Alexandre Saldanha
Paolo Boido
Alfredo Rovere
2010 Malmö  United States
Tim Healy
Gordon Borges
Moose McClintock
Dan Rabin
John Mollicone
 Great Britain  Italy
2011 Buenos Aires  Luca Vive (ARG)
Alejo Rigoni
Gustavo Gonzales
Joaquin Duarte Argereich
Fernando Gwozdz
Sergio Armesto
2012 Rochester  Bruschetta (BRA)
Mauricio Santa Cruz
Daniel Santiago
Alex Saldanha
Sergio Bittencourt
Alfredo Rovere
2013 Howth  Helly Hansen (USA)
Tim Healy
John Mollicone
Geoff Becker
Dan Rabin
Gordon Borges
John Ives
 Bruschetta (BRA)
Mauricio Santa Cruz
 Honey Badger (USA)
Travis Odenbach
2014 Newport  Cougar (USA)
Will Welles
Rich Bowen
Luke Lawrence
Dan Rabin
Nick Turney
Mauricio Santa Cruz
Guilherme Hamelmann
Alfredo Rovere
Alexandre Saldanha
Daniel Santiago
 United States
Timothy Healy
2015 Boltenhagen  Great Britain
Ian Southworth
Andrew McLelland
David Howlett
Chris McLaughlin
Julia Scott
 United States
Mike Ingham
 United States
Travis Odenbach
2016 Wakayama  Germany
Daniel Frost
Demichi Kousuke
Keiji Kondo
2017  Clear Air (CAN)
Rossi Milev
 Bangor Packet (USA)
Tony Parker
 Lull (JPN)
Ariko Murohashi

See also[edit]

Related development

Similar sailboats


  1. ^ "Classes and Equipment: J/24". International Sailing Federation. Archived from the original on 2009-07-20.
  2. ^ a b "J24 Class Rules effective March 1, 2009" (PDF). J24 Class Association.
  3. ^ a b "J24 History". J24 Class Association. Archived from the original on 2009-10-04.
  4. ^ "Royal Motor Yacht Club / J24". Royal Motor Yacht Club UK. Archived from the original on 2011-10-08. Retrieved 2019-04-10.
  5. ^ "Comhem Sweden". Comhem Sweden.
  6. ^ "J24 Worlds – World-class Sailing on World-class Banderas Bay". Puerto Vallarta news.
  7. ^ "UK J 24 Class Association". Sailing Networks.
  8. ^ "J24". JBoats Southwest. Archived from the original on 2010-01-24.
  9. ^ "XX J/24 Midwinter Champs Race Report", Retrieved 2017-03-24
  10. ^ "J/Builders". J/Boat web site - J/Builders.
  11. ^ a b "2009 CLASS REPORT, International J/24 Class Association" (PDF). International Sailing Federation.
  12. ^ "IJCA Constitution, Revised August, 2006". International J24 Class Association.[permanent dead link]
  13. ^ "Class Rules J/24". International Sailing Federation. Archived from the original on 2009-10-02.
  14. ^ "US Fleets". J/24 USA Class Association. Archived from the original on 2009-12-05.

External links[edit]