| NUM | Nome | Data iscrizione | Class | Country | Club Sailor | Sex Sailor | Coach / Parent / Guardian Name |
|---|---|---|---|---|---|---|---|
| 301 | Floris Boone | 23-05-2023 | OPTIMIST | Belgio (BEL) | NWV | Man | Jelle Vets - Qkids |
| 302 | Felix Rhomberg | 23-05-2023 | OPTIMIST | Austria (AUT) | SCM | Man | Matthias Jocham |
| 303 | Elisa De Becker | 23-05-2023 | OPTIMIST | Stati Uniti d'America (USA) | Coral Reef Yacht Club - Team Hikoi Haka | Woman | Daniela Barroso |
| 304 | Daniel Haslauer | 23-05-2023 | OPTIMIST | Austria (AUT) | UYCWg | Man | Gerhard Haslauer |
| 305 | Artur Brighenti | 23-05-2023 | OPTIMIST | Italia (ITA) | Centro Nautico Bardolino | Man | Michele Gallina |
| 306 | REMY Maris | 23-05-2023 | OPTIMIST | Belgio (BEL) | NWV | Man | JELLE VETS |
| 307 | Filippo Cardo | 23-05-2023 | OPTIMIST | Italia (ITA) | AVAL-CDV | Man | |
| 308 | Teresa Grosso | 22-05-2023 | OPTIMIST | Svizzera (SUI) | CVLL | Woman | Edoardo Cingolani |
| 309 | Tommaso Magnetti | 22-05-2023 | OPTIMIST | Svizzera (SUI) | CVLL | Man | Edoardo Cingolani |
| 310 | Giovanni Magnetti | 22-05-2023 | OPTIMIST | Svizzera (SUI) | CVLL | Man | Edoardo Cingolani |
| 311 | Kiran Baert | 22-05-2023 | OPTIMIST | Belgio (BEL) | VVW Galgenweel | Man | Chris Baert |
| 312 | Andrea Vitali | 22-05-2023 | OPTIMIST | Svizzera (SUI) | CVLL | Man | |
| 313 | Andrea Avitabile | 22-05-2023 | OPTIMIST | Svizzera (SUI) | CVLL | Man | Edoardo Cingolani |
| 314 | Claudia Boller Mehler | 22-05-2023 | OPTIMIST | Svizzera (SUI) | CVLL | Woman | Edoardo Cingolani |
| 315 | Kiki Wismeijer | 22-05-2023 | OPTIMIST | Paesi Bassi (NED) | FRAGLIA VELA RIVA | Woman | Mauro Berteotti |
| 316 | Hidde Wismeijer | 22-05-2023 | OPTIMIST | Paesi Bassi (NED) | WV Braassemermeer | Man | Sterre VRIJENHOEK |
| 317 | Caroline Pois | 22-05-2023 | OPTIMIST | Austria (AUT) | SCK | Woman | Markus Pois |
| 318 | Jan Lopienski | 22-05-2023 | OPTIMIST | Svizzera (SUI) | Club Nautique de Versoix (CNV) | Man | Gauthier Thomas |
| 319 | Jeppe Noordanus | 22-05-2023 | OPTIMIST | Paesi Bassi (NED) | Royal Yacht Club Loosdrecht (KWVL) | Man | Hans Noordanus |
| 320 | Sofia Boller | 22-05-2023 | OPTIMIST | Austria (AUT) | YCP | Woman | Werner Delle-Karth |