Biggest races where rider never competed
Major races where Siobhan Dervan never competed in.
| # | Race | Class |
|---|---|---|
| 1 | Trofeo Alfredo Binda - Comune di Cittiglio | CDM |
| 2 | Giro Della Toscana Int. Femminile | 2.1 |
| 3 | Internationale Thuringen Rundfahrt der Frauen | 2.1 |
| 4 | Iurreta-Emakumeen Bira | 2.2 |
| 5 | Durango-durango Emakumeen Saria | 1.2 |
| 6 | Gent-Wevelgem WE | 1.2 |
| 7 | Strade Bianche Donne | 1.1 |
| 8 | Olympic Games WE - Road Race | Olympics |
| 9 | La course by Le Tour de France | 1.1 |
| 10 | Grande Boucle Féminine Internationale | 2.2 |
| 11 | La Coupe du Monde Cycliste Féminine de Montréal | CDM |
| 12 | Amstel Gold Race | 1.WWT |
| 13 | The Women's Tour | 2.1 |
| 14 | Milano-Sanremo Donne | 1.WWT |
| 15 | Energiewacht Tour | 2.2 |
| 16 | Gracia - Orlová | 2.2 |
| 17 | Liège-Bastogne-Liège Femmes | 1.WWT |
| 18 | UCI TTT World Championships Women | WC |
| 19 | Liberty Classic | 1.1 |
| 20 | Geelong World Cup | CDM |
| 21 | Ladies Tour Of Qatar | 2.1 |
| 22 | UEC Road European Championships WE - Road Race | CC |
| 23 | Madrid Challenge by La Vuelta | 1.1 |
| 24 | Ladies Tour of Norway | 2.1 |
| 25 | Pajot Hills Classic | 1.2 |