Boat Models

X-Yachts

How these boats compare with boats of similar length in 10 kt of wind:

Upwind

7% faster

Median 5.0 knots

Reaching

3% faster

Median 7.5 knots

Downwind

4% faster

Median 5.6 knots

Boat Models: 51
Boats here: 127
Length (LOA): 7.9–16.8 m
Boat build years: 1979–2026

Designers in the boat records

Niels Jeppesen · Jeppesen · X-Yachts · Nils Jeppesen · X-YACHTSDESIGNGROUP

For each course, a boat is compared with the median speed of other boats within ±5% of its length. The percentage is the median of those differences. Upwind and downwind use VMG; reaching uses boat speed at a 90° wind angle. Lengths and years describe the boats we have data for.

Boat Models

IMX 38

3 boatsBuilt 1992

10 nautical miles · 10 kt wind

35 seconds between fastest and slowest downwind

7 minutes between fastest and slowest upwind

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IMX 40

6 boatsBuilt 2000–2001

10 nautical miles · 10 kt wind

1 minute between fastest and slowest downwind

6 minutes between fastest and slowest upwind

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IMX 45

2 boatsBuilt 2002

10 nautical miles · 10 kt wind

48 seconds between fastest and slowest downwind

1 minute between fastest and slowest upwind

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X 4.0

1 boatBuilt 2020

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X 4.3 2021

1 boatBuilt 2021

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X-1 TON

1 boatBuilt 1986

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X-102 Mk I

1 boatBuilt 1981

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X-119

1 boatBuilt 1989

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X-3/4

1 boatBuilt 1984

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X-332

10 boatsBuilt 1994–2003

10 nautical miles · 10 kt wind

2 minutes between fastest and slowest downwind

6 minutes between fastest and slowest upwind

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X-332 SPORT

1 boatBuilt 2002

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X-34

4 boatsBuilt 2007–2010

10 nautical miles · 10 kt wind

1 minute between fastest and slowest downwind

2 minutes between fastest and slowest upwind

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X-35 OD

19 boatsBuilt 2005–2007

10 nautical miles · 10 kt wind

4 minutes between fastest and slowest downwind

2 minutes between fastest and slowest upwind

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X-362 SPORT

4 boatsBuilt 1998–2003

10 nautical miles · 10 kt wind

4 minutes between fastest and slowest downwind

6 minutes between fastest and slowest upwind

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X-37

5 boatsBuilt 2004–2006

10 nautical miles · 10 kt wind

6 minutes between fastest and slowest downwind

3 minutes between fastest and slowest upwind

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X-37 dyp kjøl

2 boatsBuilt 2005

10 nautical miles · 10 kt wind

1 minute between fastest and slowest downwind

2 minutes between fastest and slowest upwind

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X-382 Mk II

1 boatBuilt 2000

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X-40

4 boatsBuilt 2004–2008

10 nautical miles · 10 kt wind

51 seconds between fastest and slowest downwind

3 minutes between fastest and slowest upwind

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X-40 (DK)

1 boatBuilt 2004

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X-40 DK

1 boatBuilt 2004

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X-40 Dyp kjøl

1 boatBuilt 2004

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X-41 mod

1 boatBuilt 2008

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X-41 OD

7 boatsBuilt 2007–2008

10 nautical miles · 10 kt wind

3 minutes between fastest and slowest downwind

2 minutes between fastest and slowest upwind

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X-412

4 boatsBuilt 1990–1998

10 nautical miles · 10 kt wind

2 minutes between fastest and slowest downwind

7 minutes between fastest and slowest upwind

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X-412 MK II

1 boatBuilt 1999

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X-43

5 boatsBuilt 2003–2007

10 nautical miles · 10 kt wind

3 minutes between fastest and slowest downwind

6 minutes between fastest and slowest upwind

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X-442 Mk I

1 boatBuilt 1998

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X-442 Mk II

2 boatsBuilt 2002

10 nautical miles · 10 kt wind

40 seconds between fastest and slowest downwind

37 seconds between fastest and slowest upwind

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X-46

1 boatBuilt 2006

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X-46 grunn kjøl

1 boatBuild year unknown

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X-482

1 boatBuild year unknown

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X-50

4 boatsBuilt 2004–2005

10 nautical miles · 10 kt wind

5 minutes between fastest and slowest downwind

3 minutes between fastest and slowest upwind

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X-50 (2.7)

1 boatBuilt 2009

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X-512

1 boatBuilt 1995

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X-79

2 boatsBuilt 1979

10 nautical miles · 10 kt wind

59 seconds between fastest and slowest downwind

4 minutes between fastest and slowest upwind

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X-79 OD

1 boatBuilt 1979

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X-95

1 boatBuilt 1982

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X-99

2 boatsBuilt 1985–1986

10 nautical miles · 10 kt wind

5 seconds between fastest and slowest downwind

8 seconds between fastest and slowest upwind

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X-99 Mod.

1 boatBuilt 1984

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X4^0

2 boatsBuilt 2024

10 nautical miles · 10 kt wind

3 minutes between fastest and slowest downwind

8 seconds between fastest and slowest upwind

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X4^3

2 boatsBuilt 2017

10 nautical miles · 10 kt wind

24 seconds between fastest and slowest downwind

1 minute between fastest and slowest upwind

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XC 45

1 boatBuilt 2006

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XC-38

1 boatBuilt 2010

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XP 38

1 boatBuilt 2012

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Xp 44

1 boatBuilt 2011

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Xp-33

2 boatsBuilt 2013

10 nautical miles · 10 kt wind

5 minutes between fastest and slowest downwind

1 minute between fastest and slowest upwind

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XP-38

2 boatsBuilt 2011–2014

10 nautical miles · 10 kt wind

52 seconds between fastest and slowest downwind

3 minutes between fastest and slowest upwind

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XP-44

5 boatsBuilt 2010–2015

10 nautical miles · 10 kt wind

4 minutes between fastest and slowest downwind

4 minutes between fastest and slowest upwind

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XP-55

1 boatBuilt 2019

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XP44

1 boatBuilt 2012

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XR-41

1 boatBuilt 2026

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