Biggest races where rider never competed
Major races where Iris Slappendel never competed in.
| # | Race | Class |
|---|---|---|
| 1 | World Championships WE - ITT | WC |
| 2 | Olympic Games WE - Road Race | Olympics |
| 3 | Giro del Trentino Alto Adige - Südtirol | 2.1 |
| 4 | Amstel Gold Race | 1.WWT |
| 5 | Liège-Bastogne-Liège Femmes | 1.WWT |
| 6 | UEC Road European Championships WE - Road Race | CC |
| 7 | Madrid Challenge by La Vuelta | 1.1 |
| 8 | Ladies Tour of Norway | 2.1 |
| 9 | Pajot Hills Classic | 1.2 |