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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | October,2017 | Santiago SESTO COSBY | 82 | 196 | EOS @IOCAUK | View |
| OPTIMIST | March,2017 | Santiago SESTO COSBY | 96 | 138 | Optimist Springs @IOCAUK | View |
| OPTIMIST | March,2014 | Santiago SESTO COSBY | 111 | 165 | Volvo Gill Optimist Spring Championships - Round Robin Fleet | View |
| OPTIMIST | July,2015 | Santiago SESTO COSBY | 118 | 155 | Optimist Nationals (Jumior) | View |
| OPTIMIST | September,2016 | Santiago SESTO COSBY | 120 | 170 | Optimist Champs @IOCAUK | View |
| OPTIMIST | October,2015 | Santiago SESTO COSBY | 152 | 164 | Optimist EOS | View |
| OPTIMIST | October,2014 | Santiago SESTO COSBY | 153 | 217 | Optimist End of Seasons - Main Fleet | View |
| OPTIMIST | May,2015 | Santiago SESTO COSBY | 160 | 198 | Optimist Inlands | View |