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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| 420 | August,2017 | Calum Cook | 3 | 18 | Scottish @420gbrsailing | View |
| 420 | August,2017 | Calum Cook | 12 | 21 | Nationals @420gbrsailing | View |
| 420 | December,2017 | Calum Cook | 28 | 30 | EOS @420gbrsailing | View |
| 420 | March,2018 | Calum Cook | 18 | 30 | Springs @420gbrsailing | View |
| 420 | April,2018 | Calum Cook | 12 | 28 | RYA Youth Nats 420 | View |
| 420 | March,2019 | Calum Cook | 5 | 31 | 420 Inlands | View |
| 420 | April,2019 | Calum Cook | 7 | 30 | Springs @Gbr420Team | View |
| 420 | July,2019 | Calum COOK | 39 | 89 | 420 Open Worlds @420class | View |