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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| 420 | October,2007 | William Kalderon | 2 | 15 | Itchenor Open | View |
| Mirror | July,2005 | William Kalderon | 6 | 42 | Inlands | View |
| 420 | October,2006 | William KALDERON | 6 | 20 | Open | View |
| Mirror | August,2004 | William Kalderon | 8 | 55 | Inlands | View |
| Mirror | September,2004 | William Kalderon | 9 | 46 | Southerns | View |
| Mirror | July,2006 | William Kalderon | 16 | 124 | UK Nationals | View |
| Mirror | May,2006 | William Kalderon | 17 | 43 | Selden Nationwide Series | View |
| 420 | April,2005 | William Kalderon | 17 | 48 | RYA Youth Championships & Trials | View |
| 420 | April,2007 | William Kalderon | 20 | 29 | RYA Youth Championships & Trials | View |
| Mirror | August,2004 | William Kalderon | 20 | 120 | European Championships | View |
| 420 | September,2007 | William KALDERON | 24 | 27 | Harken Royal Lymington Youth Regatta | View |
| 420 | October,2007 | William KALDERON | 25 | 43 | 420 Inland Championship 2007 | View |
| Mirror | May,2004 | William Kalderon | 25 | 69 | Nationals | View |
| 420 | May,2007 | William KALDERON | 26 | 45 | European Selector 2 | View |
| 420 | April,2007 | William KALDERON | 27 | 42 | Open and Selector 1 | View |