Debutants
Mauro Santambrogio is the youngest debutant in Gran Premio della Liberazione in 2003. There are 10 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | SANTAMBROGIO Mauro | GS Luigi Maserati - Synclean | 18y + 200d |
| 2 | FAILLI Francesco | Grassi Colnago | 19y + 130d |
| 3 | KEMPS Aaron | Australia | 19y + 227d |
| 4 | GRILLO Paride | Ceramiche Pagnoncelli | 21y + 33d |
| 5 | KOSTYUK Denys | US Palazzago - Caneva | 21y + 43d |
| 6 | GARBELLI David | UC Bergamasca | 21y + 179d |
| 7 | KAUFMANN Thomas | Germany | 21y + 209d |
| 8 | LORENZETTO Mirco | Marchiol-Famile-Site | 21y + 286d |
| 9 | CORSINI Marco | GS Bottoli Artoni | 22y + 60d |
| 10 | LORIA Eugenio | MCS Bedogni Famè Big Time Linea | 22y + 112d |