Debutants
William Walker is the youngest debutant in Circuito Montañés in 2005. There are 22 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | WALKER William | Rabobank Continental Team | 19y + 227d |
| 2 | REUS Kai | Rabobank Continental Team | 20y + 96d |
| 3 | VEELERS Tom | Rabobank Continental Team | 20y + 274d |
| 4 | DE MAAR Marc | Rabobank Continental Team | 21y + 120d |
| 5 | DYACHENKO Alexandr | Cycling Team Capec | 21y + 241d |
| 6 | DYMOVSKIKH Alexandr | Cycling Team Capec | 21y + 314d |
| 7 | REISTAD Nick | Advantage Benefits Endeavour Cycling Team | 22y + 93d |
| 8 | SHESTAKOV Viktor | Cycling Team Capec | 22y + 103d |
| 9 | MAMOS Philipp | Team Lamonta | 22y + 191d |
| 10 | COHNEN Stefan | Team Lamonta | 22y + 193d |
| 11 | SEROV Alexander | Lokomotiv | 22y + 215d |
| 12 | CLEMENT Stef | Rabobank Continental Team | 22y + 264d |
| 13 | ELIJZEN Michiel | Rabobank Continental Team | 22y + 288d |
| 14 | SANCHEZ Jorge | Spiuk | 23y + 23d |
| 15 | SIEBERG Marcel | Team Lamonta | 23y + 46d |
| 16 | BAZAYEV Assan | Cycling Team Capec | 24y + 113d |
| 17 | RAMÍREZ Jesús Javier | Spiuk | 25y + 233d |
| 18 | WEIGOLD Steffen | Team Lamonta | 26y + 67d |
| 19 | BAIGUDINOV Kairat | Cycling Team Capec | 26y + 205d |
| 20 | GLASNER Björn | Team Lamonta | 32y + 41d |
| 21 | MIZUROV Andrey | Cycling Team Capec | 32y + 91d |
| 22 | GROENENDAAL Richard | Rabobank Continental Team | 33y + 337d |