One-design and Olympic classes.

What one-design means

In a one-design class, all the boats are identical or nearly identical. Because no boat has a design advantage, no handicap is needed and the first boat to finish wins. Wikipedia (a secondary source) explains it this way, and credits the idea to Thomas Middleton of the Shankill Corinthian Club near Dublin, who proposed the Water Wag dinghy in 1887. We found no second source for that origin story, so treat it as unconfirmed.

"Nearly identical" covers a range. Wikipedia says small one-design classes usually have the tightest tolerances, while larger boats tend to allow changes within set limits. The Optimist shows how tight it can get: Wikipedia says a stricter specification introduced in 1995 means boats from more than 20 approved builders are equal in speed.

Other ways to define a class

One-design is one end of a spectrum. Wikipedia describes the main alternatives:

Handicap systems have their own page: handicap systems. The two approaches also meet. ORC offers One Design certificates for standard class configurations, which need no measurement if the boat complies with its class rules, according to US Sailing. And the 2025 Rolex Big Boat Series in San Francisco ran one-design classes for the Express 37, J/105 and J/88 alongside its ORC handicap divisions.

One-design at the professional level

The idea scales up to the biggest names in the sport:

• SailGP races identical F50 foiling catamarans. See SailGP.
• The America's Cup uses the one-design AC40 for its preliminary regattas and for its Women's and Youth events, according to Reuters. The Cup itself is raced in AC75s. See America's Cup.

Class associations and World Sailing

World Sailing says about 120 class associations are its members, and each is entitled to hold a World Championship. Its 2025 one-design class report says class associations must meet World Sailing policies to keep that designation and the right to hold a World Championship.

Wikipedia says World Sailing grants "international class" status to classes that offer a high standard of international competition and meet criteria on fleet size, international spread and class administration. We did not find an official World Sailing count of international classes, or a ranking of the largest classes by fleet size.

Olympic equipment

World Sailing manages sailing at the Olympic Games, and each event is tied to a named class of boat, board or kite. The ten events at Paris 2024 and their equipment carry over unchanged to Los Angeles 2028, according to World Sailing's November 2025 program announcement:

The ILCA, formerly the Laser

The two Olympic singlehanders share one hull. Wikipedia says the Laser was designed by Bruce Kirby with Ian Bruce, with the sail by Hans Fogh, and was unveiled at the New York Boat Show in January 1971. Since April 2019, class-legal boats have been sold under the ILCA name following a trademark dispute. Besides the ILCA 7 and ILCA 6 rigs, a smaller ILCA 4 rig (4.7 m2) uses the same hull. More on small boats like these is on dinghies.

Balance between men's and women's events

World Sailing says Tokyo 2020 had five men's, four women's and one mixed event, and that Paris 2024 would be the first Games with gender equity at both event and athlete level. Wikipedia gives the Paris split as four men's, four women's and two mixed events, the two mixed events being the 470 and the Nacra 17.

How the program is changing

LA28: kept

On 29 May 2022 the World Sailing Council voted to keep the ten-event Paris program for Los Angeles 2028, subject to IOC approval (Sailing Scuttlebutt). That vote kept the kite, mixed 470 and Nacra 17 events, rejecting proposals to replace kiteboarding and drop the Nacra 17 (Marine Business World).

Brisbane 2032: under review, pending as of October 2026

World Sailing has put four of its ten events under review for 2032: men's and women's kite, the mixed 470 and the Nacra 17. A Sailing Scuttlebutt report dated 6 August 2026 said recommendations were due at World Sailing's 2026 Annual Conference. As of our research in October 2026, we found no report of a final decision, so the 2032 equipment is still open.

Paralympic sailing

Paralympic sailing was last held at Rio 2016. US Sailing says the International Paralympic Committee dropped it for lack of global participation, and that its next chance to return is Brisbane 2032.

For medal results, venues and the LA28 schedule, see Olympic sailing.