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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| Laser Radial | April,2007 | Kathryn Twemlow | 98 | 102 | RYA Youth Championships & Trials - Qualifiers | View |
| Laser Radial | April,2007 | Kathryn Twemlow | 41 | 51 | RYA Youth Championships & Trials - Silver Fleet | View |
| RS400 | July,2012 | Kathryn Twemlow | 19 | 30 | RS400 Eurocup | View |