Debutants
Iván Romeo is the youngest debutant in Donostia San Sebastian Klasikoa in 2023. There are 76 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | ROMEO Iván | Movistar Team | 19y + 347d |
| 2 | GRÉGOIRE Romain | Groupama - FDJ | 20y + 189d |
| 3 | BRENNER Marco | Team dsm - firmenich | 20y + 336d |
| 4 | VACEK Mathias | Lidl - Trek | 21y + 47d |
| 5 | VERRE Alessandro | Team Arkéa Samsic | 21y + 254d |
| 6 | BERHE Welay Hagos | Team Jayco AlUla | 21y + 280d |
| 7 | GLOAG Thomas | Jumbo-Visma | 21y + 319d |
| 8 | TULETT Ben | INEOS Grenadiers | 21y + 337d |
| 9 | ISASA Xabier | Euskaltel - Euskadi | 21y + 339d |
| 10 | BAUDIN Alex | AG2R Citroën Team | 22y + 65d |
| 11 | WANDAHL Frederik | BORA - hansgrohe | 22y + 81d |
| 12 | ZAMBANINI Edoardo | Bahrain - Victorious | 22y + 99d |
| 13 | PICCOLO Andrea | EF Education - EasyPost | 22y + 128d |
| 14 | THOMPSON Reuben | Groupama - FDJ | 22y + 164d |
| 15 | VERCHER Mattéo | TotalEnergies | 22y + 184d |
| 16 | CASTRILLO Pablo | Equipo Kern Pharma | 22y + 208d |
| 17 | PLAPP Luke | INEOS Grenadiers | 22y + 216d |
| 18 | ALLENO Clément | Burgos - BH | 22y + 294d |
| 19 | MILAN Jonathan | Bahrain - Victorious | 22y + 301d |
| 20 | SLOCK Liam | Lotto Dstny | 22y + 314d |
| 21 | HEALY Ben | EF Education - EasyPost | 22y + 321d |
| 22 | ETXEBERRIA Josu | Caja Rural - Seguros RGA | 22y + 323d |
| 23 | ENGELHARDT Felix | Team Jayco AlUla | 22y + 344d |
| 24 | BALDERSTONE Abel | Caja Rural - Seguros RGA | 23y + 22d |
| 25 | APARICIO Mario | Burgos - BH | 23y + 97d |
| 26 | DINHAM Matthew | Team dsm - firmenich | 23y + 111d |
| 27 | BERASATEGI Xabier | Euskaltel - Euskadi | 23y + 112d |
| 28 | BARRÉ Louis | Team Arkéa Samsic | 23y + 114d |
| 29 | GIRMAY Biniam | Intermarché - Circus - Wanty | 23y + 118d |
| 30 | BAYER Tobias | Alpecin - Deceuninck | 23y + 254d |
| 31 | LEEMREIZE Gijs | Jumbo-Visma | 23y + 279d |
| 32 | CHAMPION Thomas | Cofidis | 23y + 324d |
| 33 | BRUSTENGA Marc | Lidl - Trek | 23y + 328d |
| 34 | ARDILA Andrés Camilo | Burgos - BH | 24y + 57d |
| 35 | VANSEVENANT Mauri | Soudal Quick-Step | 24y + 58d |
| 36 | DRIZNERS Jarrad | Lotto Dstny | 24y + 59d |
| 37 | TURNER Ben | INEOS Grenadiers | 24y + 62d |
| 38 | PRICE-PEJTERSEN Johan | Bahrain - Victorious | 24y + 64d |
| 39 | LEKNESSUND Andreas | Team dsm - firmenich | 24y + 69d |
| 40 | BAGIOLI Andrea | Soudal Quick-Step | 24y + 128d |
| 41 | BURGAUDEAU Mathieu | TotalEnergies | 24y + 254d |
| 42 | HUYS Laurens | Intermarché - Circus - Wanty | 24y + 308d |
| 43 | FAGÚNDEZ Eric Antonio | Burgos - BH | 24y + 344d |
| 44 | ADAMIETZ Johannes | Lotto Dstny | 25y + 66d |
| 45 | ELOSEGUI Iñigo | Equipo Kern Pharma | 25y + 145d |
| 46 | GALL Felix | AG2R Citroën Team | 25y + 152d |
| 47 | DELETTRE Alexandre | Cofidis | 25y + 277d |
| 48 | ZIMMERMANN Georg | Intermarché - Circus - Wanty | 25y + 291d |
| 49 | GUERNALEC Thibault | Team Arkéa Samsic | 25y + 363d |
| 50 | GUGLIELMI Simon | Team Arkéa Samsic | 26y + 28d |
| 51 | TEJADA Harold | Astana Qazaqstan Team | 26y + 93d |
| 52 | PRODHOMME Nicolas | AG2R Citroën Team | 26y + 178d |
| 53 | AFFINI Edoardo | Jumbo-Visma | 27y + 35d |
| 54 | VLASOV Aleksandr | BORA - hansgrohe | 27y + 97d |
| 55 | PAASSCHENS Mathijs | Lotto Dstny | 27y + 133d |
| 56 | BAX Sjoerd | UAE Team Emirates | 27y + 204d |
| 57 | O'CONNOR Ben | AG2R Citroën Team | 27y + 246d |
| 58 | THOMAS Benjamin | Cofidis | 27y + 320d |
| 59 | GESBERT Élie | Team Arkéa Samsic | 28y + 28d |
| 60 | BONNAMOUR Franck | AG2R Citroën Team | 28y + 39d |
| 61 | SCHLEGEL Michal | Caja Rural - Seguros RGA | 28y + 59d |
| 62 | LIVYNS Arjen | Lotto Dstny | 28y + 331d |
| 63 | DE GENDT Aimé | Intermarché - Circus - Wanty | 29y + 42d |
| 64 | ARMIRAIL Bruno | Groupama - FDJ | 29y + 109d |
| 65 | WÜRTZ SCHMIDT Mads | Israel - Premier Tech | 29y + 120d |
| 66 | OSBORNE Jason | Alpecin - Deceuninck | 29y + 131d |
| 67 | DENZ Nico | BORA - hansgrohe | 29y + 164d |
| 68 | BASSO Leonardo | Astana Qazaqstan Team | 29y + 216d |
| 69 | VERMEERSCH Gianni | Alpecin - Deceuninck | 30y + 252d |
| 70 | TEUNS Dylan | Israel - Premier Tech | 31y + 150d |
| 71 | MEURISSE Xandro | Alpecin - Deceuninck | 31y + 179d |
| 72 | PACHER Quentin | Groupama - FDJ | 31y + 204d |
| 73 | SEPÚLVEDA Eduardo | Lotto Dstny | 32y + 46d |
| 74 | SBARAGLI Kristian | Alpecin - Deceuninck | 33y + 82d |
| 75 | DELAPLACE Anthony | Team Arkéa Samsic | 33y + 321d |
| 76 | JANSSENS Jimmy | Alpecin - Deceuninck | 34y + 60d |