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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| 420 | April,2017 | Niamh Harper | 10 | 44 | RYA Youths @420gbrsailing | View |
| Topper | April,2014 | Niamh HARPER | 11 | 59 | Topper National Championship 2014 | View |
| TOPPER | August,2014 | Niamh HARPER | 11 | 69 | Zhik Topper World Championships - Gold Fleet | View |
| TOPPER | June,2014 | Niamh HARPER | 11 | 156 | Topper National Series 4 | View |
| 420 | December,2017 | Niamh Harper | 20 | 30 | EOS @420gbrsailing | View |
| 420 | April,2016 | Niamh Harper | 22 | 37 | RYA Youths 420 | View |
| RS200 | October,2017 | Niamh Harper | 24 | 30 | Endeavour Trophy | View |
| Topper | July,2013 | Niamh HARPER | 33 | 119 | Craftinsure National Series 4 | View |
| Handicap | February,2016 | Niamh Harper | 33 | 130 | GJW Direct SailJuice 7, Tiger Trophy | View |
| 420 | August,2017 | Niamh HARPER | 34 | 109 | 420 Junior Euros | View |
| 420 | March,2016 | Niamh Harper | 36 | 45 | 420 Inlands | View |
| 420 | August,2015 | Niamh Harper | 36 | 48 | 420 Nationals | View |
| 420 | April,2015 | Niamh HARPER | 39 | 41 | 420 Silver RYA Youths | View |
| 420 | August,2017 | Niamh HARPER | 40 | 77 | 420 Euros Open | View |
| TOPPER | May,2014 | Niamh HARPER | 51 | 171 | Inlands | View |