Debutants
Niels Scheuneman is the youngest debutant in Liège - Bastogne - Liège U23 in 2003. There are 6 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | SCHEUNEMAN Niels | Rabobank Continental Team | 19y + 131d |
| 2 | KAISEN Olivier | Quick Step - Davitamon - Latexco | 20y + 1d |
| 3 | RAISIN Saul | Ofoto - Lombardi Sports | 20y + 115d |
| 4 | DE VOCHT Wim | Quick Step - Davitamon - Latexco | 21y + 2d |
| 5 | KOHL Bernhard | Rabobank Continental Team | 21y + 117d |
| 6 | POSTHUMA Joost | Rabobank Continental Team | 22y + 54d |