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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| 420 | August,2008 | Katie CHOWIENCZYK | 57 | 63 | Nationals | View |
| 420 | March,2008 | Katie CHOWIENCZYK | 28 | 28 | RYA Youth Championships & Trails 2008 | View |
| 420 | November,2007 | Katie CHOWIENCZYK | 49 | 50 | End of Seasons | View |
| 420 | October,2007 | Katie CHOWIENCZYK | 31 | 43 | 420 Inland Championship 2007 | View |
| 420 | May,2007 | Katie CHOWIENCZYK | 42 | 45 | European Selector 2 | View |
| 420 | April,2007 | Katie CHOWIENCZYK | 38 | 42 | Open and Selector 1 | View |
| 420 | January,2006 | Katie CHOWIENCZYK | 28 | 16 | Youth Nationals | View |
| 420 | January,2006 | Katie CHOWIENCZYK | 28 | 16 | Youth Nationals | View |
| Cadet | August,2005 | Katie Chowienczyk | 55 | 88 | Nationals | View |
| Cadet | August,2004 | Katie Chowienczyk | 74 | 98 | Nationals | View |
| Cadet | April,2004 | Katie Chowienczyk | 78 | 90 | Inlands - Gold and Silver | View |