| NUM | Nome | #Iscritti | Data iscrizione | Class | Country | Club Sailor | Sex Sailor | Coach / Parent / Guardian Name |
|---|---|---|---|---|---|---|---|---|
| 41 | Theophil Frobenius | 1 | 29-04-2021 | OPTIMIST | Germania (GER) | BSV | Man | Frobenius |
| 42 | Mona Winkler | 1 | 29-04-2021 | OPTIMIST | Germania (GER) | SVG | Woman | Eva Winkler |
| 43 | Anaël HUET des AUNAY | 1 | 25-04-2021 | OPTIMIST | Francia (FRA) | Club Nautique Voile d'Aix-les-Bains | Man | Marion HUET des AUNAY |
| 44 | Ferdinand Harberg | 1 | 20-04-2021 | OPTIMIST | Germania (GER) | BYCÜ | Man | Dirk Harberg |
| 45 | Waizenhöfer Quirin | 1 | 13-04-2021 | OPTIMIST | Germania (GER) | SRC | Man | Waizenhöfer |
| 46 | Lorenz Fenkart | 1 | 11-04-2021 | OPTIMIST | Austria (AUT) | YC Hard | Man | Michaela Fenkart |
| 47 | Maria WALTERSDORFER | 1 | 11-04-2021 | OPTIMIST | Austria (AUT) | YCH | Woman | |
| 48 | Jonny SEEKAMP | 1 | 06-04-2021 | OPTIMIST | Germania (GER) | Wassersportverein Hemelingen | Man | Jan Seekamp |
| 49 | Ruben Sulty | 1 | 06-04-2021 | OPTIMIST | Francia (FRA) | wind force robert | Man | |
| 50 | Abigél Németh | 1 | 04-04-2021 | OPTIMIST | Ungheria (HUN) | BSFVK | Woman | Andras Nemeth |
| 51 | Carlo Rino Dario | 1 | 31-03-2021 | OPTIMIST | Italia (ITA) | Fraglia Vela Peschiera | Man | Pagani Mattia |
| 52 | Matteo Romillo | 1 | 29-03-2021 | OPTIMIST | Italia (ITA) | F.V.Peschiera del Garda | Man | Mattia Pagani |
| 53 | Thomas Castellani | 1 | 29-03-2021 | OPTIMIST | Italia (ITA) | Fraglia Vela Peschiera | Man | Pagani Mattia |
| 54 | OLSTHOORN Raphaël | 1 | 29-03-2021 | OPTIMIST | Francia (FRA) | COYCH | Man | |
| 55 | Fava Matilda | 4 | 26-03-2021 | |||||
| 56 | Liselot Bijlsma | 1 | 25-03-2021 | OPTIMIST | Paesi Bassi (NED) | KWVL | Woman | Ward Bijlsma |
| 57 | Benthe van Rooij | 1 | 25-03-2021 | OPTIMIST | Paesi Bassi (NED) | Royal Yacht Club de Maas | Woman | Maarten Treuren |