Debutants
Jef De Boeck is the youngest debutant in Ronde van Vlaanderen Beloften in 2003. There are 60 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | DE BOECK Jef | Bikeland Bornem | 18y + 151d |
| 2 | VAN DEN HOUTE Sven | Daikin Team Affligem-Asse | 18y + 180d |
| 3 | DE BRAECKENIER Senn | Onder Ons Parike | 18y + 222d |
| 4 | SURAY Gil | Daikin Team Affligem-Asse | 18y + 248d |
| 5 | ROCHE Nicolas | Ireland | 18y + 305d |
| 6 | FARRAR Tyler | United States | 18y + 336d |
| 7 | VANDENBERGH Stijn | Onder Ons Parike | 19y + 9d |
| 8 | CHRISTENSEN Mads | Team PH | 19y + 28d |
| 9 | VASTARANTA Jukka | Rabobank Continental Team | 19y + 36d |
| 10 | FINNERUP Andreas | Team PH | 19y + 48d |
| 11 | BEERNAERT Jochen | KSV Deerlijk | 19y + 120d |
| 12 | VAN DEN EECKHOUT Kevin | Bikeland Bornem | 19y + 143d |
| 13 | PAUWELS Serge | Palmans - Collstrop | 19y + 164d |
| 14 | VAN BRAECKEL Kenny | Think Media CT | 19y + 173d |
| 15 | FERRI Marco | Velo Sport Rho | 19y + 196d |
| 16 | CARDAMONE Marco | Velo Sport Rho | 19y + 238d |
| 17 | DEIGNAN Philip | Ireland | 19y + 239d |
| 18 | LUYTEN Lester | Provincie Antwerpen | 19y + 244d |
| 19 | DEVAERE Ken | Beveren 2000 | 19y + 307d |
| 20 | CROWIN Sebastien | Team Storez - VC Ath | 19y + 330d |
| 21 | BORDOLI Davide | Velo Sport Rho | 19y + 330d |
| 22 | PEDERSEN Martin | Team PH | 20y + 19d |
| 23 | WOUTERS Anton | Quick Step - Davitamon - Latexco | 20y + 110d |
| 24 | PUTMAN Dieter | Provincie West-Vlaanderen | 20y + 117d |
| 25 | BRUSATORI Carlo | Velo Sport Rho | 20y + 125d |
| 26 | DE ZUTTER Kristof | Palmans - Collstrop | 20y + 142d |
| 27 | SURAY Damien | Daikin Team Affligem-Asse | 20y + 203d |
| 28 | STERCKX Brad | Royal Antwerp BC | 20y + 206d |
| 29 | VAN HUMMEL Kenny | Rabobank Continental Team | 20y + 216d |
| 30 | MÖHLMANN Peter | Netherlands | 20y + 217d |
| 31 | DE KORT Koen | Rabobank Continental Team | 20y + 238d |
| 32 | YATES Jeremy | Quick Step - Davitamon - Latexco | 20y + 302d |
| 33 | VAN DEN BERG Peter | Palmans - Collstrop | 20y + 306d |
| 34 | PORTAL Sébastien | Panorimmo | 20y + 334d |
| 35 | MEYEN Joeri | Think Media CT | 20y + 347d |
| 36 | DE FEYTER Ken | Royal Antwerp BC | 21y + 18d |
| 37 | SIMON Jean-Paul | RC Pesant Club Liège | 21y + 39d |
| 38 | CLEMENT Georges | Team Storez - VC Ath | 21y + 62d |
| 39 | SUTHERLAND Rory | Rabobank Continental Team | 21y + 85d |
| 40 | DUYCK Pieter | De Lombarden | 21y + 95d |
| 41 | VAN AGTMAAL Peter | Netherlands | 21y + 99d |
| 42 | DONY Jean-Philippe | Prik & Tik CT | 21y + 123d |
| 43 | DE VRIES Wim | KWC Heist Zuiderkempen | 21y + 138d |
| 44 | TAILLIEU Olivier | De Lombarden | 21y + 188d |
| 45 | DEDECKER Stijn | Think Media CT | 21y + 192d |
| 46 | VAN DE GEHUCHTE Tommy | Go Pass ABX | 21y + 196d |
| 47 | VANLAERE Kenny | De Lombarden | 21y + 214d |
| 48 | GEERINCKX Kurt | KWC Heist Zuiderkempen | 21y + 320d |
| 49 | MEDYANNIKOV Andrey | Kazakhstan | 21y + 327d |
| 50 | VERHAGEN Thijs | Rabobank Continental Team | 21y + 347d |
| 51 | IGLINSKIY Maxim | Kazakhstan | 22y + 16d |
| 52 | HEGREBERG Roy | Team Deschacht - Granville | 22y + 40d |
| 53 | DAVIS Jonathan | Prik & Tik CT | 22y + 48d |
| 54 | BAZAYEV Assan | Kazakhstan | 22y + 71d |
| 55 | DRAUX Ludovic | RC Pesant Club Liège | 22y + 82d |
| 56 | KING Austin | United States | 22y + 99d |
| 57 | BOGAERT Sammy | Provincie Oost-Vlaanderen | 22y + 355d |
| 58 | MARIËN Bart | Provincie Antwerpen | 23y + 247d |
| 59 | VOLCKAERT Bjorn | Provincie West-Vlaanderen | |
| 60 | VANDERSTUYFT Tom | Provincie Oost-Vlaanderen |