2026: Official calendar, new venues, and enhanced support
The 2026 calendar is now confirmed, featuring two major developments:
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A new stop in La Rochelle, utilizing infrastructure perfectly suited for one-designs, thanks to La Rochelle Nautique and its dedicated ramp, which already hosts Diam 24 One Designs year-round.
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A new event on the Île d’Oléron, adding a fresh, exciting venue to the circuit.
Continuing this spirit of openness, the Class aims to remove barriers for new crews. Starting in 2026, coaching and support sessions will be offered on the Fridays and Saturdays of each regatta. These sessions are designed to facilitate handling the Diam 24 One Design and encourage technical progression on this ultimate multihull platform.
2026 Calendar
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Spi Ouest-France – La Trinité-sur-Mer – April 3–6
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La semaine de la Rochelle et Tour de l’île de Ré – May 1–3
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YC Oléron Diam24od Cup – Saint-Denis-d’Oléron – May 29–31
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4 Vents Cup – Brest – June 12–14
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Trophée Diam24od YCCA – Crouesty – September 11–13
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Challenge An Avel Braz – Saint-Philibert – October 16–18








