Debutants
Johan Verstrepen is the youngest debutant in Grand Prix Cycliste la Marseillaise in 1990. There are 12 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | VERSTREPEN Johan | Histor - Sigma | 22y + 108d |
| 2 | LINO Pascal | RMO - Mavic - Liberia | 23y + 177d |
| 3 | BÖLTS Udo | Team Stuttgart | 23y + 180d |
| 4 | VAN DEN AKKER John | PDM - Ultima - Concorde | 23y + 252d |
| 5 | DE WAEL Patrick | Histor - Sigma | 23y + 301d |
| 6 | STEVENHAAGEN Peter | Helvetia - La Suisse | 24y + 288d |
| 7 | BRASSEUR Jean-françois | Weinmann - SMM - Ulster | 25y + 220d |
| 8 | BOMANS Carlo | Weinmann - SMM - Ulster | 26y + 241d |
| 9 | VAN SLYCKE Rik | Histor - Sigma | 27y + 3d |
| 10 | MOREDA Casimiro | CLAS - Cajastur | 27y + 100d |
| 11 | VERSCHUEREN Patrick | Lotto - Super Club | 27y + 147d |
| 12 | HAEX Jos | Lotto - Super Club | 30y + 171d |