| NUM | Nome | Data iscrizione | Class | Country | Club Sailor | Sex Sailor | Coach / Parent / Guardian Name |
|---|---|---|---|---|---|---|---|
| 281 | Floris Boone | 14-04-2021 | OPTIMIST | Belgio (BEL) | RBSC | Man | Klaas Boone |
| 282 | David Rohde | 12-04-2021 | OPTIMIST | Austria (AUT) | Yachtclub Hard | Man | Petra |
| 283 | Arne Brinkert | 12-04-2021 | OPTIMIST | Paesi Bassi (NED) | 8daysaweek | Man | 8daysaweek |
| 284 | Marijn Brinkert | 12-04-2021 | OPTIMIST | Paesi Bassi (NED) | 8daysaweek | Man | 8daysaweek |
| 285 | Beertje Peute | 11-04-2021 | OPTIMIST | Paesi Bassi (NED) | WV Braassemermeer | Woman | Bas Peute |
| 286 | Anna Deuring | 11-04-2021 | OPTIMIST | Austria (AUT) | YC Bregenz | Woman | Dorothee Deuring |
| 287 | Simon Fenkart | 11-04-2021 | OPTIMIST | Austria (AUT) | YC Hard | Man | Michaela Fenkart |
| 288 | Carla WALTERSDORFER | 11-04-2021 | OPTIMIST | Austria (AUT) | YCH | Woman | |
| 289 | Clemens Epe | 10-04-2021 | OPTIMIST | Germania (GER) | YRCA | Man | |
| 290 | Finn Árpád Weigt | 10-04-2021 | OPTIMIST | Germania (GER) | SCV | Man | Dietmar Weigt |
| 291 | Weigt, Lasse | 10-04-2021 | OPTIMIST | Germania (GER) | SCSI | Man | Weigt Dietmar |
| 292 | Sergej Moliakov | 10-04-2021 | OK DINGHY | Paesi Bassi (NED) | WV Braassemermeer | Man | Sergej Moliakov |
| 293 | THEBAULT--BAILLOT MAHE | 09-04-2021 | OPTIMIST | Francia (FRA) | CSBF | Man | THOMAS GAUTIER |
| 294 | Paul Hudde | 09-04-2021 | OPTIMIST | Germania (GER) | MYC | Man | Andi Lachenschmid |
| 295 | Jahoda Julian | 08-04-2021 | OPTIMIST | Austria (AUT) | Yachtclub Hard | Man | Jahoda Norma |
| 296 | Elie Mathis Steinlechner | 08-04-2021 | OPTIMIST | Austria (AUT) | SCTWV | Man | |
| 297 | Maximilian Mayrberger | 08-04-2021 | OPTIMIST | Austria (AUT) | YCP | Man | |
| 298 | PRUSA Alexander Maximilian | 08-04-2021 | OPTIMIST | Austria (AUT) | YCP | Man | Prusa Andrea-Romana |
| 299 | Jaden Jeckel | 08-04-2021 | OPTIMIST | Germania (GER) | BYCUE | Man | Oliver Jeckel |
| 300 | Valerie Hegge | 08-04-2021 | OPTIMIST | Germania (GER) | MYC | Woman | Peter Hegge |