Class40 is a class of monohull sailboat and a yacht primarily used for short handed offshore and coastal racing. The class is administered by International Class40 Association which is recognised by the World Sailing.

In 2004 former Vendee Globe and Whitbread competitor, Patrice Carpentier,^[1] brought together designers, builders and sailors to formulate a new accessible class of shorthanded offshore racing boats. Now with more than 160 boats, the Class has become the most successful offshore racing class. The class is not to be confused with the Open 40 which in many ways led the way to this class.

The "Class40" can be designed by anyone provided the boat fits within the measurement rule defined. This rule takes the form of a box rule.

The association is responsible for defining and updating the class rules for the boats, and has the additional aims of co-ordinating events.

Class 40 monohulls outnumbered all other boat classes during their first appearance in the 2006 Route du Rhum, with 25 boats registered.

The Class 40 monohulls are high-performance racing boats, designed principally for single-handed or small crew offshore competition.

Class 40 monohulls sit in size between boats the small offshore classes of the Classe Mini and Beneteau Figaro 3 and the pinnacle class the IMOCA 60.

Single and double-handed sailing represents a rapidly growing sector of the sport of sailing. The Class 40 is a cheaper boat that can be sailed competitively in a range of conditions either short handed, by two people, or a solo sailor.

The class is active in Europe, but growing in North America. Boats are built on a semi-production or custom basis. The class rules though work to keep the boat affordable, limiting exotic materials and equipment seen in high end offshore boats such as the IMOCA 60.

Though some boats are sailed by pro sailors, the amateur class continues to grow as sailors look for the next challenge in offshore sailing.

These records are usually calculated by race directions but not endorsed by the World Sailing Speed Record Council.

Non-Stop Round Britain and Ireland

More information Finish Date, Time ...

Class 40 - Non-Stop Round Britain and Ireland Records

Finish Date	Time	Boat Type	Boat	Skipper(s)	Crew	Notes	Ref.
Singlehanded
2020-07-09	7d 17h 50m 47s	Class40	Crédit Mutuel	Ian Lipinski (POL)	N/A		[5]
2004-06	11d 12h 26m 48s	Open 40	"Roaring Forty"	Michel Kleinjans (BEL)	N/A		[6]
Crewed Record
2020	7d 06h 27m 25s	Class40	'Banque de Leman'	Simon Koster (SUI)	Justine Mettraux (SUI) and  Valentin Gautier (SUI)		[7][8]
2020-07-09	7d 17h 50m 47s	Class40	Crédit Mutuel	Ian Lipinski (FRA)	None
2018-08-20	8d 4h 14m 49s	Class40	"Imerys Clean Energy"	Phil Sharp (GBR)	+crew	set during RORC Race	[9]
2014-08-20	8d 19h 06m 49s	Class40	'Swish'	Roderick Knowles (GBR)	+2 other crew	set during RORC Race	[10]
2010	9d 13h 32m 20s	Class40	Concise 2	Ned Collier Wakefield (GBR)	+5 other crew	set during RORC Race	[11]

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