Debutants
Philip Deignan is the youngest debutant in Gran Premio Industrie del Marmo in 2003. There are 22 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | DEIGNAN Philip | VC La Pomme Marseille | 19y + 246d |
| 2 | RICCIARDI Alessio | MCS Bedogni Famè Big Time Linea | 20y + 6d |
| 3 | LOMBARDI Emiliano | Danton Caparrini | 20y + 42d |
| 4 | JANIACZYK Błażej | Pacific - Daver | 20y + 104d |
| 5 | VISCONTI Giovanni | Finauto Sport Team | 20y + 118d |
| 6 | BONUCCELLI Davide | Volvo Dorini | 20y + 231d |
| 7 | CORTINOVIS Giovanni | GS Bottoli Artoni | 20y + 325d |
| 8 | MAGALLANES Juan Pablo | GS Maltinti Lampadari Solgomma Spa | 21y + 94d |
| 9 | SPADI Manuele | Pratesi Saeco San Paolo | 21y + 204d |
| 10 | SECCI Francesco | GS Maltinti Lampadari Solgomma Spa | 21y + 206d |
| 11 | NICOLOSI Carmelo | Pacific - Daver | 21y + 314d |
| 12 | FERLITO Rosario | Cotto Ref | 21y + 319d |
| 13 | KURDYNOWSKI Szymon | Pacific - Daver | 22y + 119d |
| 14 | MORI Manuele | Grassi Colnago | 22y + 275d |
| 15 | BOŽIČ Borut | Team Cycling Kopstal Sidi | 22y + 276d |
| 16 | BAILETTI Paolo | Ceramiche Pagnoncelli | 22y + 300d |
| 17 | RUDENKO Maxim | G.S. Podenzano | 23y + 211d |
| 18 | LUHOVYY Roman | Olio Vezza Brunero | 23y + 280d |
| 19 | GOLOUBEV Kirill | GS Promo Ciclo | 24y + 175d |
| 20 | MURRO Christian | Ceramiche Pagnoncelli | 24y + 357d |
| 21 | STARE Matej | Team Cycling Kopstal Sidi | 25y + 80d |
| 22 | PIDGORNYY Ruslan | Marchiol-Famile-Site | 25y + 290d |