Debutants
Matteo Jorgenson is the youngest debutant in Ronde de l'Isard in 2018. There are 24 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | JORGENSON Matteo | Jelly Belly p/b Maxxis | 18y + 320d |
| 2 | SCHUNK Conor | Team CCB Foundation-Sicleri | 18y + 332d |
| 3 | LEKNESSUND Andreas | Uno-X Norwegian Development Team | 18y + 361d |
| 4 | MAZZUCCO Fabio | Trevigiani Phonix - Hemus 1896 | 19y + 33d |
| 5 | ZANA Filippo | Trevigiani Phonix - Hemus 1896 | 19y + 60d |
| 6 | HOOLE Daan | SEG Racing Academy | 19y + 84d |
| 7 | KULSET Sindre | Uno-X Norwegian Development Team | 19y + 283d |
| 8 | ALMEIDA João | Hagens Berman Axeon | 19y + 285d |
| 9 | STAVRAKAKIS Georgios | SEG Racing Academy | 20y + 25d |
| 10 | ANDERSON Edward | Hagens Berman Axeon | 20y + 29d |
| 11 | SKAARSETH Iver | Uno-X Norwegian Development Team | 20y + 63d |
| 12 | HECHT Gage | Aevolo | 20y + 88d |
| 13 | HOEHN Alex | Aevolo | 20y + 146d |
| 14 | LÓPEZ Diego | Fundación Euskadi | 20y + 159d |
| 15 | MONTOYA Javier Ignacio | Trevigiani Phonix - Hemus 1896 | 20y + 212d |
| 16 | FOSS Tobias | Uno-X Norwegian Development Team | 20y + 357d |
| 17 | RUDLAND Hans Kristian | Uno-X Norwegian Development Team | 21y + 31d |
| 18 | SLEEN Torjus | Uno-X Norwegian Development Team | 21y + 48d |
| 19 | MAGALHÃES Jorge | Miranda - Mortágua | 21y + 96d |
| 20 | ALONSO Mikel | Fundación Euskadi | 21y + 236d |
| 21 | MOSTOV Zeke | Hagens Berman Axeon | 21y + 291d |
| 22 | FEDELI Alessandro | Trevigiani Phonix - Hemus 1896 | 22y + 76d |
| 23 | LENDERINK Peter | SEG Racing Academy | 22y + 95d |
| 24 | ZAHIRI Abderrahim | Trevigiani Phonix - Hemus 1896 | 22y + 136d |