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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | October,2015 | Delfina SESTO COSBY | 69 | 164 | Optimist EOS | View |
| OPTIMIST | August,2014 | Delfina SESTO COSBY | 70 | 73 | Optimist Nationals - Junior Gold Fleet | View |
| OPTIMIST | May,2017 | Delfina SESTO COSBY | 76 | 207 | Optimist Inlands @IOCAUK | View |
| OPTIMIST | March,2017 | Delfina SESTO COSBY | 78 | 138 | Optimist Springs @IOCAUK | View |
| OPTIMIST | October,2014 | Delfina SESTO COSBY | 84 | 217 | Optimist End of Seasons - Main Fleet | View |
| OPTIMIST | September,2016 | Delfina SESTO COSBY | 97 | 170 | Optimist Champs @IOCAUK | View |
| OPTIMIST | May,2015 | Delfina SESTO COSBY | 102 | 198 | Optimist Inlands | View |
| OPTIMIST | March,2014 | Delfina SESTO COSBY | 116 | 165 | Volvo Gill Optimist Spring Championships - Round Robin Fleet | View |
| OPTIMIST | July,2015 | Delfina SESTO COSBY | 124 | 163 | Optimist Nationals (Senior) | View |