• Although foiling feels like a recent revolution to take the world of watersports by storm, it has been at the heart of America's Cup racing for over 10 years.

In August 2012, the sailing world was transformed when a 72-foot catamaran lifted off the Hauraki Gulf in Auckland, New Zealand. Emirates Team New Zealand had introduced foils to the America’s Cup, revolutionising yacht racing and setting a new benchmark for speed and innovation.

Six years later, the release of the AC75 Class Rule in 2018 ushered in a new era. These flying monohulls demanded entirely new engineering and sailing techniques, pushing the sport into uncharted territory.

By the 36th America’s Cup in Auckland in 2021, the AC75s had proven their potential—delivering high-speed racing that captivated millions worldwide. It was no surprise the rule was retained for the Louis Vuitton 37th America’s Cup in Barcelona, with refinements including reduced crew, lighter hulls, and larger foils for faster, more efficient flight.

The evolution continued with the introduction of the AC40—developed to drive youth and women’s participation. This smaller sister to the AC75 launched in Auckland in September 2022 and immediately impressed, clocking speeds in the high 40-knot range under the command of Emirates Team New Zealand during first training sessions and eventually cracking the 50kts mark.

Both the AC75s and AC40s will return in 2027, when Naples hosts the Louis Vuitton 38th America’s Cup along with the Youth and Women’s events. True to tradition, fans can expect cutting-edge innovation and next-level performance as the sailing world once again watches the teams’ developments with anticipation.

The Teams of the 37th America's Cup

 

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    AC75: AMERICA'S CUP BOAT

    On 15 November 2021—eight months after Emirates Team New Zealand successfully defended the America’s Cup in Auckland—a revised ‘Version 2’ of the AC75 Class Rule was released. For the Louis Vuitton 37th America’s Cup in Barcelona, the boats evolved significantly: larger foils enabled faster lift and flight, the hulls were lighter, and advanced electronics and software systems were introduced. Crew numbers dropped from 11 to 8, prompting the return of cycle power and the comeback of the Cyclors, first pioneered by Emirates Team New Zealand in 2017 during the 35th America’s Cup in Bermuda.

    As the sailing world looks ahead to the new Class Rule for the Louis Vuitton 38th America’s Cup in Naples, one thing is certain—innovation will again be front and centre. While core one-design elements will remain, teams are expected to push boundaries through custom components in search of a competitive edge.

    In Barcelona, INEOS Britannia clocked a record-breaking 55.6 knots (102.97 km/h) during Race 8 of the Louis Vuitton Cup Final. The question now is: how much faster can they go?

  • Media ID-26100

    AC40: YOUTH, WOMEN & TRAINING

    New for the Louis Vuitton 37th America’s Cup in Barcelona was the AC40—a versatile foiling monohull adopted by all teams for training, testing, and racing. It also served as the official class for the Women’s and Youth America’s Cups. Unlike the AC75, the AC40 is a strict one-design, ensuring close, competitive racing across the board.

    The AC40s made their racing debut in the Preliminary Regattas in Vilanova i la Geltrú and Jeddah, delivering thrilling action in both fleet and match racing formats. With top speeds exceeding 50 knots, the boats quickly proved their performance potential.

    They will make a highly anticipated return at the Louis Vuitton 38th America’s Cup in Naples, once again taking centre stage in the pre-events and the Women’s and Youth America's Cup.