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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| OPTIMIST | May,2012 | Harry COWELL | 179 | 224 | Volvo Gill Optimist Inland Championship | View |
| OPTIMIST | October,2012 | Harry COWELL | 152 | 208 | Volvo Gill Optimist End of Season Championship - Main Fleet | View |
| OPTIMIST | July,2013 | Harry COWELL | 104 | 110 | Volvo Gill Optimist British National and Open Championships - Main Fleet Senior | View |
| LASER RADIAL | October,2015 | Harry COWELL | 75 | 85 | Radial Q | View |
| LASER RADIAL | October,2015 | Harry COWELL | 67 | 77 | Radial Inlands | View |
| Optimist | September,2011 | Harry COWELL | 63 | 73 | RYA Volvo South Zone Championships 2011 | View |
| LASER RADIAL | February,2017 | Harry COWELL | 59 | 84 | Radial Qs @IntLaserClass | View |
| LASER RADIAL | April,2015 | Harry COWELL | 56 | 65 | Radial Boys RYA Youths | View |
| LASER RADIAL | March,2017 | Harry COWELL | 54 | 89 | Radial Qs @IntLaserClass | View |
| LASER RADIAL | March,2016 | Harry COWELL | 51 | 81 | Radial Q | View |
| LASER RADIAL | July,2016 | Harry Cowell | 48 | 243 | Radial Youth Worlds Boys @LaserWorlds2016 | View |
| LASER RADIAL | March,2017 | Harry COWELL | 47 | 79 | Radial Qs @IntLaserClass | View |
| LASER RADIAL | March,2016 | Harry COWELL | 44 | 59 | Radial Q | View |
| LASER RADIAL | August,2016 | Harry COWELL | 43 | 65 | Radial Nationals | View |
| LASER RADIAL | April,2016 | Harry Cowell | 36 | 51 | RYA Youths Radial Boys | View |