Biggest races where rider never competed
Major races where Guillermo Thomas Silva never competed in.
| # | Race | Class |
|---|---|---|
| 1 | Tour de France | 2.UWT |
| 2 | Milano-Sanremo | 1.UWT |
| 3 | Giro d'Italia | 2.UWT |
| 4 | Paris-Roubaix | 1.UWT |
| 5 | Il Lombardia | 1.UWT |
| 6 | Liège-Bastogne-Liège | 1.UWT |
| 7 | La Vuelta Ciclista a España | 2.UWT |
| 8 | Ronde van Vlaanderen - Tour des Flandres ME | 1.UWT |
| 9 | La Flèche Wallonne | 1.UWT |
| 10 | Paris - Tours Elite | 1.Pro |
| 11 | Gent-Wevelgem in Flanders Fields ME | 1.UWT |
| 12 | Tour de Suisse | 2.UWT |
| 13 | Amstel Gold Race | 1.UWT |
| 14 | Critérium du Dauphiné | 2.UWT |
| 15 | Tirreno-Adriatico | 2.UWT |
| 16 | Brussels Cycling Classic | 1.Pro |
| 17 | Volta Ciclista a Catalunya | 2.UWT |
| 18 | Omloop Het Nieuwsblad ME | 1.UWT |
| 19 | Tour de Romandie | 2.UWT |
| 20 | Giro dell'Emilia | 1.Pro |
| 21 | E3 Saxo Classic | 1.UWT |
| 22 | Baloise Belgium Tour | 2.Pro |
| 23 | Eschborn-Frankfurt | 1.UWT |
| 24 | Milano - Torino | 1.Pro |
| 25 | 4 Jours de Dunkerque / Grand Prix des Hauts de France | 2.Pro |