Debutants
Youngest debutants in GP Chiasso in 2003. There are 41 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | KOLOBNEV Alexandr | Domina Vacanze - Elitron | 21y + 301d |
| 2 | PIETROPOLLI Daniele | Tenax | 22y + 233d |
| 3 | WEGMANN Fabian | Gerolsteiner | 22y + 254d |
| 4 | RAST Grégory | Phonak Hearing Systems | 23y + 43d |
| 5 | ASTARLOZA Mikel | AG2R Prévoyance | 23y + 104d |
| 6 | HERVÉ Cédric | Crédit Agricole | 23y + 107d |
| 7 | BARTOLI Claudio | Panaria - Fiordo | 23y + 141d |
| 8 | SOLARI Luca | Mercatone Uno - Scanavino | 23y + 150d |
| 9 | VOECKLER Thomas | Brioches La Boulangère | 23y + 252d |
| 10 | ELMIGER Martin | Phonak Hearing Systems | 24y + 159d |
| 11 | ZANOTTI Leonardo | De Nardi - Colpack | 24y + 354d |
| 12 | BERTAGNOLLI Leonardo | Saeco | 25y + 52d |
| 13 | LEUKEMANS Björn | Palmans - Collstrop | 25y + 243d |
| 14 | ZAMPIERI Steve | Sidermec - Saunier Duval | 25y + 270d |
| 15 | BRANDT Christophe | Lotto - Domo | 25y + 299d |
| 16 | FOFONOV Dmitriy | Cofidis | 26y + 198d |
| 17 | LEFÈVRE Laurent | Jean Delatour | 26y + 242d |
| 18 | BOSSONI Paolo | Sidermec - Saunier Duval | 26y + 242d |
| 19 | MARTIN Ludovic | Jean Delatour | 26y + 349d |
| 20 | FRAGNIERE Cédric | Crédit Agricole | 27y + 13d |
| 21 | GRÖNQVIST Thomas | Team Fakta | 27y + 150d |
| 22 | JONES Timothy David | Amore & Vita - Beretta | 27y + 212d |
| 23 | JØRGENSEN René | Team Fakta | 27y + 218d |
| 24 | MASON Oscar | Sidermec - Saunier Duval | 27y + 280d |
| 25 | TURPIN Ludovic | AG2R Prévoyance | 27y + 344d |
| 26 | ATIENZA Daniel | Cofidis | 28y + 160d |
| 27 | GIUNTI Massimo | Domina Vacanze - Elitron | 28y + 215d |
| 28 | ZBERG Markus | Gerolsteiner | 28y + 247d |
| 29 | MORIN Anthony | Crédit Agricole | 28y + 247d |
| 30 | RENIER Franck | Brioches La Boulangère | 28y + 324d |
| 31 | CHAURREAU Íñigo | AG2R Prévoyance | 29y + 321d |
| 32 | BÉNÉTEAU Walter | Brioches La Boulangère | 30y + 216d |
| 33 | DUMA Vladimir | Landbouwkrediet - Colnago | 30y + 364d |
| 34 | SIVAKOV Alexei | BigMat - Auber 93 | 31y + 53d |
| 35 | MAGNIEN Emmanuel | Brioches La Boulangère | 31y + 298d |
| 36 | AUGER Ludovic | BigMat - Auber 93 | 32y + 12d |
| 37 | BROŻYNA Tomasz | CCC - Polsat | 32y + 163d |
| 38 | VASSEUR Cédric | Cofidis | 32y + 195d |
| 39 | PETERSEN Jørgen Bo | Team Fakta | 32y + 324d |
| 40 | BOURQUENOUD Pierre | Jean Delatour | 33y + 100d |
| 41 | BÖLTS Udo | Gerolsteiner | 36y + 203d |