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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | September,2016 | Santiago SESTO COSBY | 120 | 170 | Optimist Champs @IOCAUK | View |
| OPTIMIST | October,2016 | Santiago SESTO COSBY | 50 | 181 | Optimist End of Seasons @IOCAUK | View |
| OPTIMIST | March,2017 | Santiago SESTO COSBY | 96 | 138 | Optimist Springs @IOCAUK | View |
| OPTIMIST | May,2017 | Santiago SESTO COSBY | 38 | 207 | Optimist Inlands @IOCAUK | View |
| OPTIMIST | May,2017 | Santiago SESTO COSBY | 74 | 79 | Optimist Trials @IOCAUK | View |
| OPTIMIST | August,2017 | Santiago SESTO COSBY | 16 | 64 | Junior Gold @IOCAUK | View |
| OPTIMIST | October,2017 | Santiago SESTO COSBY | 82 | 196 | EOS @IOCAUK | View |
| 29ER | September,2020 | SANTIAGO SESTO COSBY | 15 | 34 | 29er GP1 - Silver | View |