International 2.4mRClass Association
A 2.4mR keelboat racing
The International 2.4mR Class

Where sailing skill is the ONLY advantage.

The 2.4mR is a one-person keelboat raced around the world with 17 National Class Associations, from club regattas to the World Championship. Tactical, technical, and open to all.

About the 2.4mRThe ICA
Upcoming
Milwaukee SS - One Design Regatta1 - 2 Aug · Milwaukee, WI, USA
Racing Calendar
Explore

Get on the water

Racing Calendar

Every confirmed 2.4mR regatta for the 2026 season, worldwide.

Results & Past Regattas

World Championship roll of honour and past regatta records.

Contact

Reach the ICA or find your nearest National Class Association.