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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| TOPPER | April,2016 | Rhianwen WILLIAMS | 129 | 132 | Topper NS3 | View |
| TOPPER | February,2016 | Rhianwen WILLIAMS | 143 | 153 | Topper Winters | View |
| OPTIMIST | May,2015 | Rhianwen WILLIAMS | 62 | 79 | Eric Twiname Championships 2015 - Optimist | View |
| OPTIMIST | October,2014 | Rhianwen WILLIAMS | 206 | 217 | Optimist End of Seasons - Main Fleet | View |
| OPTIMIST | September,2014 | Rhianwen Williams | 31 | 35 | Welsh Zone Championships 2014 - Optimist Main Fleet | View |
| OPTIMIST | August,2014 | Rhianwen WILLIAMS | 65 | 72 | Optimist Nationals - Junior Silver Fleet | View |
| OPTIMIST | May,2014 | Rhianwen WILLIAMS | 179 | 210 | Inlands | View |
| OPTIMIST | March,2014 | Rhianwen WILLIAMS | 75 | 82 | Volvo Gill Optimist Spring Championships - Silver Fleet | View |
| OPTIMIST | March,2014 | Rhianwen WILLIAMS | 149 | 165 | Volvo Gill Optimist Spring Championships - Round Robin Fleet | View |
| OPTIMIST | July,2013 | Rhianwen WILLIAMS | 116 | 117 | Volvo Gill Optimist British National and Open Championships - Main Fleet Junior | View |
| OPTIMIST | July,2013 | Rhianwen WILLIAMS | 116 | 117 | Volvo Gill Optimist British National and Open Championships - Main Fleet Junior | View |
| OPTIMIST | March,2013 | Rhianwen WILLIAMS | 131 | 141 | Volvo Gill Optimist Spring Championship | View |
| OPTIMIST | October,2012 | Rhianwen WILLIAMS | 29 | 62 | Volvo Gill Optimist End of Season Championship - Regatta Fleet | View |