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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | September,2014 | Oscar CAWTHORNE | 21 | 21 | RYA West Zone Championships - Optimist | View |
| OPTIMIST | May,2016 | Oscar Cawthorne | 51 | 80 | Optimist ET | View |
| OPTIMIST | September,2016 | Oscar CAWTHORNE | 137 | 170 | Optimist Champs @IOCAUK | View |
| OPTIMIST | October,2016 | Oscar CAWTHORNE | 89 | 181 | Optimist End of Seasons @IOCAUK | View |
| OPTIMIST | May,2017 | Oscar Cawthorne | 6 | 77 | RYA ET Optimist @IOCAUK | View |
| OPTIMIST | May,2017 | Oscar CAWTHORNE | 119 | 207 | Optimist Inlands @IOCAUK | View |
| OPTIMIST | October,2017 | Oscar CAWTHORNE | 137 | 196 | EOS @IOCAUK | View |
| OPTIMIST | March,2018 | Oscar CAWTHORNE | 48 | 179 | Springs @IOCAUK | View |
| OPTIMIST | May,2018 | Oscar CAWTHORNE | 107 | 201 | Optimist Inlands @IOCAUK | View |
| 420 | August,2018 | Oscar Cawthorne | 32 | 34 | 420 Nationals | View |