International Optimist Dinghy Association
Calendar
Continent
Type
International
Europe
Le Havre, France
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International Havre Cup
SOCIETE DES REGATES DU HAVRE
Le Havre, France
Bourgas, Bulgaria
International
Europe
Palic, Serbia
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South East European Open Optimist Cup
Sailing club Palic
Palic, Serbia
Puck Bay, Poland 
Netherlands
International
Europe
Venice, Italy
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Rizzotti Trophy
Compagnia della Vela & Diporto Velico Veneziano
Venice, Italy
Denmark
International
Europe
Kiel-Schilksee, Germany
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Goldener Optimist
Turn-und Sportverein Schilksee, Sailing Department
Kiel-Schilksee, Germany
