Debutants
Lars Boom is the youngest debutant in Ronde de l'Isard in 2005. There are 6 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | BOOM Lars | Rabobank Continental Team | 19y + 140d |
| 2 | MELIS Jasper | Quickstep - Innergetic | 19y + 219d |
| 3 | STAMSNIJDER Tom | Rabobank Continental Team | 20y + 4d |
| 4 | KLINGER Tim | Team Sparkasse | 20y + 239d |
| 5 | POELS Norbert | Fondas Imabo - Doorisol Team | 22y + 37d |
| 6 | REISTAD Nick | Advantage Benefits Endeavour Cycling Team | 22y + 66d |