Offshore Special Regulations
The World Sailing Offshore Special Regulations (OSR) govern offshore racing for monohulls and multihulls, structural features, yacht equipment, personal equipment and training.
The OSR is republished every two years, and the 2026-2027 edition became effective on 1 January 2026. It is available to download either in full or by category.
On 26 May 2026, the Oceanic and Offshore Committee approved proposal OOC-2026-001 under Regulation 22.3(a) with an effective date of 1 January 2027. As a result Version 2 of the 2026-2027 Offshore Special Regulations will be effective from 1 January 2027. It is also available to download either in full or by category.