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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| Laser Radial | April,2007 | David Thomas | 47 | 102 | RYA Youth Championships & Trials - Qualifiers | View |
| Laser Radial | April,2007 | David Thomas | 51 | 51 | RYA Youth Championships & Trials - Gold Fleet | View |
| Laser Radial | May,2007 | David Thomas | 61 | 81 | Lowestoft Radial Q 2007 | View |
| Laser Radial | September,2007 | David Thomas | 58 | 92 | Paignton Radial Q 2007 overall | View |
| Laser Radial | October,2007 | David Thomas | 41 | 69 | Hastings Radial Q 2007 overall | View |
| Laser Radial | March,2008 | David Thomas | 60 | 112 | UK Qualifier | View |
| Laser Radial | May,2008 | David Thomas | 47 | 81 | Radial Qualifier | View |
| Laser | November,2008 | David Thomas | 23 | 35 | Inlands | View |
| Handicap | July,2014 | David THOMAS | 172 | 210 | Garmin Summer Series 4 - Lord Birkett Trophy | View |
| RS400 | June,2017 | David Thomas | 13 | 41 | Open RS400 | View |