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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | July,2015 | Alexander COGAN SIVARAJAN | 143 | 155 | Optimist Nationals (Jumior) | View |
| OPTIMIST | October,2015 | Alexander COGAN SIVARAJAN | 146 | 164 | Optimist EOS | View |
| OPTIMIST | May,2015 | Alexander COGAN SIVARAJAN | 179 | 198 | Optimist Inlands | View |
| OPTIMIST | October,2017 | Alexander COGAN SIVARAJAN | 191 | 196 | EOS @IOCAUK | View |