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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | October,2015 | Delfina SESTO COSBY | 69 | 164 | Optimist EOS | View |
| OPTIMIST | September,2016 | Delfina SESTO COSBY | 97 | 170 | Optimist Champs @IOCAUK | View |
| OPTIMIST | October,2016 | Delfina SESTO COSBY | 31 | 181 | Optimist End of Seasons @IOCAUK | View |
| OPTIMIST | March,2017 | Delfina SESTO COSBY | 78 | 138 | Optimist Springs @IOCAUK | View |
| OPTIMIST | May,2017 | Delfina SESTO COSBY | 76 | 207 | Optimist Inlands @IOCAUK | View |
| OPTIMIST | May,2017 | Delfina SESTO COSBY | 51 | 79 | Optimist Trials @IOCAUK | View |
| OPTIMIST | August,2017 | Delfina SESTO COSBY | 4 | 63 | Senior Silver @IOCAUK | View |
| 29ER | November,2018 | DELFINA SESTO COSBY | 34 | 42 | Inlands @29erUK | View |
| 29ER | November,2018 | DELFINA SESTO COSBY | 34 | 42 | 29er Inlands | View |