| NUM | Nome | Data iscrizione | Class | Country | Club Sailor | Sex Sailor | Coach / Parent / Guardian Name |
|---|---|---|---|---|---|---|---|
| 321 | Nani Seekamp | 06-04-2021 | OPTIMIST | Germania (GER) | Wassersportverein Hemelingen | Woman | Jan Seekamp |
| 322 | Valentin BELLES | 05-04-2021 | OPTIMIST | Francia (FRA) | CNR | Man | Butault Didier |
| 323 | Simon PRENVEILLE | 05-04-2021 | OPTIMIST | Francia (FRA) | CN Rennes | Man | Didier BUTAULT |
| 324 | Amandine Rouxel | 05-04-2021 | OPTIMIST | Francia (FRA) | CN Rennes | Woman | Didier Butault |
| 325 | Feith Máté | 04-04-2021 | OPTIMIST | Ungheria (HUN) | Balatoni Yacht Club | Man | |
| 326 | Feith Máté | 04-04-2021 | OPTIMIST | Ungheria (HUN) | Balatoni Yacht Club | Man | |
| 327 | Zelda Spraul | 04-04-2021 | OPTIMIST | Germania (GER) | VSaW | Woman | Wolfgang Spraul |
| 328 | MUCHERT Eric | 02-04-2021 | OPTIMIST | Francia (FRA) | COYCH | Man | MUCHERT philippe |
| 329 | Gravelas Martin | 01-04-2021 | OPTIMIST | Francia (FRA) | ASPTT Marseille | Man | Gravelas Sylvain |
| 330 | ENRICO ZENATO | 01-04-2021 | OPTIMIST | Italia (ITA) | FVP | Man | Mattia Pagani |
| 331 | Zinali Gaia | 31-03-2021 | OPTIMIST | Italia (ITA) | CV Antignano | Woman | Zinali Andrea |
| 332 | Pietro Fucelli | 31-03-2021 | OPTIMIST | Italia (ITA) | CV Antignano | Man | Fucelli Luca |
| 333 | Jacopo Lorenzo Frassine | 31-03-2021 | OPTIMIST | Italia (ITA) | Fraglia Vela Peschiera | Man | Pagàni Mattia |
| 334 | Lotte Meynen | 30-03-2021 | OPTIMIST | Belgio (BEL) | KYCN Nieuwpoort | Woman | Jelle Vets |
| 335 | Quinten Opstaele | 30-03-2021 | OPTIMIST | Belgio (BEL) | NWV Berlare | Man | |
| 336 | Léon Corbiau | 30-03-2021 | OPTIMIST | Belgio (BEL) | RYCB Galgenweel | Man | Jelle Vets |
| 337 | Matthijs Lenaerts | 30-03-2021 | OPTIMIST | Belgio (BEL) | NWV Berlare | Man | Jelle Vets |
| 338 | Mats De Bruyne | 30-03-2021 | OPTIMIST | Belgio (BEL) | VVW Galgenweel | Man | Jelle Vets |
| 339 | Emile Meert | 30-03-2021 | OPTIMIST | Belgio (BEL) | NWV Berlare | Man | Jelle Vets |
| 340 | Victor Meert | 30-03-2021 | OPTIMIST | Belgio (BEL) | NWV Berlare | Man | Jelle Vets |