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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| Topper | April,2008 | William Thomas | 25 | 52 | Welsh Youths Pwllheli | View |
| Topper | June,2010 | William THOMAS | 25 | 36 | Welsh Topper Championships | View |
| LASER RADIAL | November,2012 | William THOMAS | 26 | 55 | UKLA Laser Inland Championships - Radial Silver Fleet Results | View |
| LASER RADIAL | October,2012 | William THOMAS | 27 | 95 | Noble Marine Laser and Standard Qualifier 5 | View |
| Topper | June,2008 | William Thomas | 30 | 30 | Tenby | View |
| TOPPER | August,2012 | William THOMAS | 34 | 71 | Topper World Championships - 5.3m - Gold Fleet | View |
| TOPPER | May,2011 | William THOMAS | 36 | 67 | 25th RYA Eric Twiname Championships | View |
| TOPPER | February,2018 | William Thomas | 40 | 145 | NS2 @topper_racing 5.3 @GJWDirectUK | View |
| TOPPER | September,2017 | William Thomas | 40 | 133 | Topper Series Open | View |
| TOPPER | August,2011 | William THOMAS | 42 | 58 | SOVEREIGN SKI TOPPER WORLD CHAMPIONSHIPS - Silver Fleet | View |
| Topper | July,2012 | William THOMAS | 42 | 217 | Craftinsure Natiional Series 3 | View |
| TOPPER | March,2017 | William THOMAS | 43 | 125 | NS3 @topper_racing | View |
| TOPPER | April,2018 | William Thomas | 49 | 158 | Inlands @topper_racing | View |
| TOPPER | May,2017 | William Thomas | 52 | 85 | RYA ET @topper_racing | View |
| LASER 4.7 | March,2020 | William THOMAS | 54 | 54 | Radial Qualifier @IntLaserClass | View |