National
Europe
Great Britain
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2018 Volvo Gill British National and Open Optimist Championships
Plas Heli/Clwb Hylio Pwllheli Sailing Club



National
North America & Caribbean
Canada
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2018 CORK International Optimist Regatta
Portsmouth Olympic Harbour, Kingston



National
Europe
Czech Republic
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Open Czech National Championship
Lipno lake, Cerna v Posumavi


International
Europe
Cyprus
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Ioannideia 2018 Optimist Mediterranean Championship
Famagusta Nautical Club, Limassol


