Biggest races where rider never competed
Major races where René Grelin never competed in.
| # | Race | Class |
|---|---|---|
| 1 | Milano-Sanremo | 1.HC |
| 2 | World Championships ME - Road Race | WC |
| 3 | Giro d'Italia | 2.PT |
| 4 | Paris - Roubaix | 1.HC |
| 5 | Giro di Lombardia | 1.HC |
| 6 | Liège - Bastogne - Liège | 1.HC |
| 7 | Ronde van Vlaanderen / Tour des Flandres ME | PT |
| 8 | La Flèche Wallonne | 1.HC |
| 9 | Gent - Wevelgem | PT |
| 10 | Amstel Gold Race | 1.HC |
| 11 | Tirreno-Adriatico | WT |
| 12 | Paris-Bruxelles | 1.HC |
| 13 | Volta Ciclista a Catalunya | 2.PT |
| 14 | Omloop Het Nieuwsblad ME | 1.HC |
| 15 | Clasica Ciclista San Sebastian | PT |
| 16 | Tour de Romandie | 2.PT |
| 17 | Meisterschaft von Zürich | 1.PT2 |
| 18 | Giro dell'Emilia | 1.HC |
| 19 | E3 Prijs Vlaanderen | 1.HC |
| 20 | Tour of Belgium | 2.1 |
| 21 | Eschborn-Frankfurt City Loop | 1.HC |
| 22 | Critérium International | 2.HC |
| 23 | Milano-Torino | 1.HC |
| 24 | 4 Jours de Dunkerque - Tour du Nord-Pas-de-Calais | 2.HC |
| 25 | Giro della Toscana | 1.1 |