CG / Runs / NYC–Miami / Sail / J-Class
Historic Class

The J-Class Passage

America's Cup giants · 130–139 ft · 7,000+ sq ft of sail · 1930–1937 era
0 Records on File
~67–95h Projected Time
10–14 kts Race Speed
10 Ever Built
The Class

The J-Class was the ultimate expression of pre-war racing technology. Active from 1930 to 1937 as the America's Cup class, the Universal Rule governed their design: a rating formula from 65–76 feet (not a length), with overall lengths ranging from 119 to 139 feet and sail plans of 7,000–7,600 square feet. Ten were built — six American, four British.

These were not yachts. These were monuments. Built to race in the most expensive sporting contest in human history — the America's Cup — they represented the absolute pinnacle of money, engineering, and competitive ego that the 1930s could produce. Ranger, the fastest of them, averaged 11 knots over the America's Cup course in 1937.

Several original hulls survive: Shamrock V, Endeavour, and Velsheda have been extensively restored. Since the 1980s, a revival has added new builds to the J-Class Association fleet. Eight boats are currently on the water. They race in J-Class regattas at approximately 10–15 knots.

J-Class fleet racing
J-Class fleet in competition — Velsheda, Ranger, Lionheart, and Svea racing under carbon sail plans
The Fleet (Currently Sailing)

Velsheda

Restored Original · 1933
LOA
129 ft
Designer
Charles E. Nicholson
Never raced in the America's Cup — built as a trial horse for Endeavour. Extensively restored in the 1990s. Now one of the most active J-Class racers.

Endeavour

Restored Original · 1934
LOA
130 ft
Designer
Charles E. Nicholson
Sir T.O.M. Sopwith's challenger for the 1934 Cup. Won the first two races before losing the series 4–2. Often called the most beautiful J-Class ever built.

Shamrock V

Restored Original · 1930
LOA
119 ft
Designer
Charles E. Nicholson
Sir Thomas Lipton's fifth and final America's Cup challenger. The smallest J ever built. Restored to sailing condition in the 2000s.

Ranger

Modern Replica · 2004
LOA
135 ft
Designer
Starling Burgess / W. F. Gibbs (original)
Replica of the 1937 America's Cup defender — the boat Harold Vanderbilt used to win the Cup for the final time. The original Ranger was the fastest J ever built. Scrapped in 1941 for the war effort.

Lionheart

New Build · 2010
LOA
139 ft
Builder
Claasen Shipyards
The largest J-Class yacht ever built. Designed to the Universal Rule with modern materials. Part of the 21st-century J-Class revival.

Svea

New Build · 2017
LOA
138 ft
Builder
Vitters Shipyard
The newest J-Class on the water. Named after a 1917 J-Class design that was never built. Modern composite construction with classic lines.
The Projection

NYC – Miami · 947 Nautical Miles

Light conditions (10 kts avg) ~95 hrs (4 days)
Moderate conditions (12 kts avg) ~79 hrs (3.3 days)
Strong conditions (14 kts avg) ~68 hrs (2.8 days)
vs. Groupama 3 (open record) +33–60 hrs behind
The Editorial Angle

No J-Class has ever been formally timed on the NYC–Miami corridor. No WSSRC submission exists. The record — if anyone cared to claim it — would be inaugural.

What would it look like? A 130-foot sloop with 7,000 square feet of Dacron, ghosting down the coast at 12 knots under a full moon off Cape Hatteras. Three days on the water. A professional crew of 20. The Gulf Stream providing a free 2–4 knot push through the Florida Straits.

It would be slow. It would be ludicrously expensive. It would be magnificent.

This is the CG sweet spot: a deliberate anachronism by a wealthy owner with a restored original or a modern replica. Not trying to beat the absolute record — just establishing a class time on one of the most beautiful sailing courses in the Western Hemisphere. The story isn't the speed. It's the vessel, the history, and the sheer audacity of sailing a 90-year-old racing yacht from Ambrose Light to Government Cut.

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