JPK 1050
With its scow hull, lightweight construction and generous sail area, the JPK 1050 is shaking up the IRC rules with its radical design, exceptional speed and rare stability, winning the most prestigious IRC races.
A little revolution in the world of IRC
With its scow hull, very light displacement and large sail area, the JPK 1050 marks a break with traditional IRC boat design, saving its high rating through exceptional speed and stability.
Inspired by ideas first explored in 2018 with the JPK 1030, the 1050 this time fully embraces a radical design (a bold choice validated by victories in the Spi Ouest France and the 2025 Rolex Fastnet Race). The boat is, in essence, a ‘mini Class 40’. Planing, agile in all wind conditions and particularly impressive when sailing reaching and downwind, it is built to race and win offshore double or solo handed.
April 2025
1st
Spi Ouest France
IRC double
June 2025
1st
Transmanche
June 2025
3rd
Duo Cat Amania
IRC
June 2025
1st
Course des Îles
IRC solo
July 2025
2nd
La Trinité – Cowes
IRC overall
July 2025
3rd
Cowes – Dinard – Saint-Malo
IRC overall
July 2025
1st
Rolex Fastnet Race
IRC overall
April 2026
1st
Spi Ouest France
IRC double
May 2026
1st, 2nd & 3rd
Cap Martinique
IRC solo
May 2026
1st
Cap Martinique
IRC double & overall
May 2026
1st
Baltic 500
ORC overall
From the very first sail, the JPK 1050 delivered on all its promises, despite somewhat strong conditions (20 to 25 knots of wind). Under an A3 spinnaker and mainsail with the bottom reef in, as soon as we attacked a little, the boat went into continuous planing. It was incredible! We reached 18.9 knots. The boat planes whenever it can, and upwind, it performs very well. We can’t wait to beat that first record.
A little "Class 40"
Jacques Valer has designed a very powerful hull with ‘scow’ lines (full forward sections) and significant slenderness ratios, which allow the boat to have a short waterline length to optimise its IRC rating, but which lengthens very quickly as soon as the boat begins to heel.
The rig is optimised for the class rules, with a square-top mainsail and overall increased sail area, particularly on the asymmetric spinnakers.
The result? The JPK 1050 offers real speed in light winds and an excellent ability to plane from 15–17 knots of true wind. Its power allows it to utilise a very large sail area, even in a breeze, whilst maintaining impressive performance upwind.
The JPK 1050: a fun, easy-to-handle racer that wins
From our very first trials, the JPK 1050 demonstrated remarkable versatility and marked a real evolution compared to our previous models. In terms of feel, the boat offers immense sailing pleasure with new gliding sensations on a fun and easy-to-handle platform.
At the Spi Ouest France 2025, the boat’s first competitive race, the races were sailed in 5 to 25 knots of true wind. The 1050 proved just as at home in strong winds as in light winds, and at all speeds. The race results (1st, 1st, 1st, and 2nd), despite this variety of weather conditions, speak louder than any long speech about the performance level of our new racer.
The JPK 1050 marks a breakthrough in IRC; it offers sensations similar to the open-class boats I love (Mini 650, IMOCA...). It’s really great to move from heavy, low-sail-area boats to a new philosophy of fun, responsive boats with a square-top mainsail, superb helm feel and maximum speeds achievable in complete safety... all with a rating that allows us to keep winning, in all conditions.
Equipment fit for a true racer
Lifting rudders
This decision was made to reduce drag without increasing the boat’s handicap. It eliminates the need to adjust the rudder alignment, a parameter that is difficult to optimise and can even become counterproductive. The result is a significantly improved helm feel, making the boat more responsive.
Rig
9/10th proportions, a single spreader level and a high-modulus carbon mast. The result of careful consideration of the best compromise between rig area, overall weight in the topsail and the constraint of using existing moulds from suppliers, resulting in a responsive mast that is relatively easy to trim.
T-shaped keel
The best compromise to give the JPK 1050 the desired lines and perfect balance under sail.
Deck fittings
The ergonomics follow on from previous JPK models, which were already highly refined. The new feature is a 6-winch configuration: the mainsail halyard can be winched in if necessary, but this is primarily to manage the backstays and the lifting of the rudders, which are ‘additional’ features compared to previous models. The JPK 1050 also allows for the use of winches with an integrated ease function without removing the handle (Ronstan), which prove to be very satisfactory.Sailing and comfort on board
The boat’s ergonomics are designed above all to be minimalist (to reduce weight), optimised for stacking and for working under heel on either tack, with two chart tables equipped with screens and keyboards, as in pure offshore racing boats. It remains very liveable for a racing boat, however, allowing for lovely cruising getaways thanks to its spacious and light-filled interior. Still with a view to lightening the boat, certain areas are unpainted but feature an impeccable finish thanks to the construction process long mastered by JPK.
Détails techniques & documentation du JPK 1050
Below you will find key information about the JPK 1050, technical and sales documentation, and press articles.
Dimensions
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Architecture Jacques Valer / Jean-Baptiste Dejeanty
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Length 10,45 m
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BOA 3,54 m
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Draft 2,22 m
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Displacement 3,5 t
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Headroom 1,86 m
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Mainsail 42 m²
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Genoa 31 m²
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Asy spinnaker 120 m²
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Engine Yanmar 20 CV
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Sleeping places 6
Documents
The JPK 1050 on video
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Our last news
Overall victory for the JPK 1050 in the Baltic 500 (ORC class)!
It’s only been a week since the Cap Martinique arrived… And already the JPK 1050 is at it again, this time in the ORC class! We learnt yesterday that Jonas Hallberg’s JPK 1050 ‘Hinden’ had secured the OVERALL victory in the Baltic 500. A magnificent performance by the boat at […]
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The end
That’s it, I’m here, at the docks in Fort-de-France, after the last few miles of upwind, sailing close-hauled on a flat sea. Pure bliss! And what a contrast to last night, when I ended up switching back to full-throttle mode with the full spinnaker when I thought I’d be cruising along quietly with the small [...]
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JPK 1050s take the win in both solo and double-handed categories in Fort-de-France!
What a day! With the arrivals of OSE and LEON last night, the JPK 1050s have won the Cap Martinique 2026 in both the solo and double-handed overall classifications. At 3:53 a.m. last night, Éric Guigné and Maxime Paul crossed the finish line aboard their JPK 1050 “OSE,” winning the […]
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Cap Martinique Day 20 — As we approach the Caribbean, the spinnaker has torn in two!
Lundi 11 mai (J20) à 10h41 Salut la terre, Le vent est définitivement rentré et c’est avec un flux moyen de 18/20 nds à 140° du vent que la transat va se terminer, avec de bonnes vitesses moyennes et, on l’espère, une gestion tenable des sargasses. Il y a clairement […]
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Cap Martinique Days 15–18 — Last few days at sea before Fort-de-France…
Mercredi 6 mai à 17h44 (J15) Mais qu’est-ce que je fous là ! 2 h du mat’, le vent est encore tombé d’un cran et, avec 8 nds et un peu de mer, je tiens à peine le spi gonflé et je dois lofer en grand, loin de la route. […]
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