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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | May,2018 | Alexander COGAN SIVARAJAN | 109 | 201 | Optimist Inlands @IOCAUK | View |
| OPTIMIST | October,2017 | Alexander COGAN SIVARAJAN | 191 | 196 | EOS @IOCAUK | View |
| OPTIMIST | September,2017 | Alexander Cogan Sivarajan | 5 | 18 | RYA Scot Zones Optimist | View |
| OPTIMIST | August,2017 | Alexander COGAN SIVARAJAN | 17 | 63 | Junior Silver @IOCAUK | View |
| OPTIMIST | May,2017 | Alexander COGAN SIVARAJAN | 142 | 207 | Optimist Inlands @IOCAUK | View |
| OPTIMIST | May,2017 | Alexander Cogan Sivarajan | 36 | 77 | RYA ET Optimist @IOCAUK | View |
| OPTIMIST | October,2016 | Alexander COGAN SIVARAJAN | 81 | 181 | Optimist End of Seasons @IOCAUK | View |
| OPTIMIST | September,2016 | Alexander COGAN SIVARAJAN | 99 | 170 | Optimist Champs @IOCAUK | View |
| OPTIMIST | October,2015 | Alexander COGAN SIVARAJAN | 146 | 164 | Optimist EOS | View |
| Optimist | September,2015 | Alexander COGAN SIVARAJAN | 7 | RYA Scotland Youth and Junior Championships | View | |
| OPTIMIST | July,2015 | Alexander COGAN SIVARAJAN | 143 | 155 | Optimist Nationals (Jumior) | View |
| OPTIMIST | May,2015 | Alexander COGAN SIVARAJAN | 179 | 198 | Optimist Inlands | View |
| OPTIMIST | May,2015 | Alexander COGAN SIVARAJAN | 70 | 79 | Eric Twiname Championships 2015 - Optimist | View |
| OPTIMIST | December,2014 | Alexander Cogan Sivarajan | 12 | 17 | RYA Scotland Winter Championships 2014 - Optimist | View |
| OPTIMIST | October,2014 | Alexander COGAN SIVARAJAN | 1 | 41 | Optimist End of Seasons - Regatta Fleet | View |