International Optimist Dinghy Association
Calendar
Continent
Type
Serbia
Continental
Asia
Trincomalee, Sri Lanka
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IODA ASIAN CHAMPIONSHIP
Yachting Association of Sri Lanka
Trincomalee, Sri Lanka
International
Europe
Kiel-Schilksee, Germany
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Goldener Optimist
Turn-und Sportverein Schilksee, Sailing Department
Kiel-Schilksee, Germany
Helsinki, Finland 
Goteborg, Sweden
International
Asia
Singapore, Singapore
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Singapore Open National Championship
Singapore Sailing Federation
Singapore, Singapore
International
North America
St. Thomas, US Virgin Islands
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Scotiabank Int'l Optimist Regatta
St. Thomas Yacht Club
St. Thomas, US Virgin Islands
Continental
Europe
Lignano Sabbiadoro, Italy
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IODA EUROPEAN CHAMPIONSHIP
Centro Velico Adriatico A.S.D.
Lignano Sabbiadoro, Italy
Nieuwpoort, Belgium 