Biggest races where rider never competed
Major races where Stephen Williams never competed in.
| # | Race | Class |
|---|---|---|
| 1 | Milano-Sanremo | 1.UWT |
| 2 | Paris-Roubaix | 1.UWT |
| 3 | Ronde van Vlaanderen - Tour des Flandres ME | 1.UWT |
| 4 | Paris - Tours Elite | 1.HC |
| 5 | Gent-Wevelgem in Flanders Fields ME | 1.UWT |
| 6 | Critérium du Dauphiné | 2.UWT |
| 7 | Tirreno-Adriatico | 2.UWT |
| 8 | Brussels Cycling Classic | 1.HC |
| 9 | E3 BinckBank Classic | 1.UWT |
| 10 | Baloise Belgium Tour | 2.HC |
| 11 | Milano-Torino | 1.HC |
| 12 | 4 Jours de Dunkerque / Grand Prix des Hauts de France | 2.HC |
| 13 | Driedaagse Brugge-De Panne ME | 1.UWT |
| 14 | Trofeo Laigueglia | 1.HC |
| 15 | Scheldeprijs | 1.HC |
| 16 | Vuelta a Andalucia Ruta Ciclista Del Sol | 2.HC |
| 17 | Dwars door Vlaanderen - A travers la Flandre ME | 1.UWT |
| 18 | GP de Fourmies / La Voix du Nord | 1.HC |
| 19 | Škoda-Tour de Luxembourg | 2.HC |
| 20 | Giro della Romagna | 1.1 |
| 21 | EuroEyes Cyclassics Hamburg | 1.UWT |
| 22 | Tour Cycliste International du Haut Var | 2.1 |
| 23 | Gran Premio Bruno Beghelli | 1.HC |
| 24 | Giro del Veneto | 1.1 |
| 25 | Etoile de Bessèges | 2.1 |