The International Moth is a high-speed, development sailing class with 90 years of continuous innovation.
The modern day carbon fibre boats reach speeds of over 30 knots on hydrofoils.
With the available training newcomers are becoming competitive in a short period.

Class Events

March 30 – 31 Rutland Water Moth GP – ENTER HERE
April 13 Queen Mary Sprints
May 18 – 19 WPNSA International Moth GP
June 8 – 9  Grafham International Inland championships
June 24 – 30 Foiling Week Malcesine Lake Garda****
July 11 – 14 Restronguet Sailing Club National Championship
September 7 – 8  WPNSA
****The dates provided for foiling week show the week in which it will be held but we don’t yet have the exact days that the Moths will race.

Fixtures for 2025

April 26 – 27  Grafham International Moth GP
Nationals at Royal Torbay YC date TBA

Get a boat, Join the Class, come and race the best!


The UK Committee are all highly enthusiastic volunteers with a deep love for the Moth who ensure you get the most from every event.
We are currently a little short on personnel, if you would like to play a part then we would love to hear from you.

Chairman: Alex Adams
Secretary/Treasurer/Membership: Graham Simmonds
Events: Simon Hiscocks
Measurement: Ricky Tagg
Class Training: Ross Harvey
Webmaster: Kyle Stoneham

Class measurers are located across the UK, if you need a certificate and don’t know where to go let us help…

Latest International Moth Class Rules

Join the Class


Sponsors & Partners

Wetsuit Outlet

Wetsuit Outlet are Europe’s largest supplier of watersports clothing and equipment and title Sponsor of the 2019 Moth Nationals at Castle Cove sailing club.
Their life long passion for sailing and commitment to stock the latest clothing and hardwear is why this partnership works so well.

Moth Manufacturers

Maverik Moth – Fluid Composites

Brand new for 2022, the Maverik Moth is the culmination of over three years of development from Fluid Composites. The first of the Moth 2.0 designs to come from the UK, the Maverik brings F1 tech to the class. The R&D program for 2022 introduces some exciting innovations leading up to the 2023 worlds in Weymouth.

Maguire boats

The Maguire Exocet is the current world leading Moth, designed by Kevin Ellway and manufactured by SimonMaguire in New Milton, Hampshire UK.
The Exocet currently holds all major UK, European and World Championship titles.

Aardvark Racing

Mike Cooke has been sailing and building moths since before the foiling era, his innovative approach has ensured that the Rocket design remains competitive. Dylan Fletcher has proven this by taking the UK championship in 2017 and more recently the 2018 Foiling Week title on the SSD solid wing platform beating the highest level competiton.

Lennon Thinnair

It’s been a long time coming but reports that the first production Thinnairs are almost ready will be music to the ears to those on the waiting list.
Mike Lennon a highly accomplished moth sailor and sail maker has been testing the prototype with some success during 2018.


So much of the moth class history had gone missing. Few people appreciated the interest there would be in old yearbooks, photos, design drawings and articles. But it seems Mothies are horders and since we posted this section, over 200 photos and scans have been sent in.

This section features yearbooks, brochures, posters etc. And the ‘archive photos’ pages have period photos. Continue reading “Archives”