Debutants
Lars Boom is the youngest debutant in Grand Prix de la ville de Pérenchies in 2005. There are 9 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | BOOM Lars | Rabobank Continental Team | 19y + 206d |
| 2 | VAN RIJ Jeroen | Bodysol - Win for Life - Jong Vlaanderen | 19y + 236d |
| 3 | ROELANDTS Jürgen | Bodysol - Win for Life - Jong Vlaanderen | 20y + 22d |
| 4 | KAUPAS Vytautas | Jartazi - Granville Team | 23y + 114d |
| 5 | BLANCHY Michaël | Jartazi - Granville Team | 23y + 303d |
| 6 | MEUL Robby | Jartazi - Granville Team | 23y + 323d |
| 7 | SVENSSON Johan | Jartazi - Granville Team | 25y + 295d |
| 8 | NYS Sven | Rabobank Continental Team | 29y + 37d |
| 9 | VAN DER VEN Remco | Rabobank Continental Team | 30y + 30d |