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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| 420 | July,2016 | Seweryn Wysokinski | 32 | 83 | 420 Junior Euros @420class | View |
| 420 | August,2017 | Seweryn WYSOKINSKI | 20 | 109 | 420 Junior Euros | View |
| 420 | December,2017 | Seweryn Wysokinski | 9 | 26 | Youth Worlds 420 B | View |
| 420 | December,2017 | Seweryn WYSOKINSKI | 44 | 64 | 420 Worlds Open | View |