Biggest races where rider never competed
Major races where Isa Looienga never competed in.
| # | Race | Class |
|---|---|---|
| 1 | World Championships WE - Road Race | WC |
| 2 | La Flèche Wallonne Féminine | 1.WWT |
| 3 | Giro d'Italia Donne | 2.WWT |
| 4 | Ronde van Vlaanderen - Tour des Flandres WE | 1.WWT |
| 5 | Trofeo Alfredo Binda - Comune di Cittiglio | 1.WWT |
| 6 | Classic Lorient Agglomération - Trophée Ceratizit | 1.WWT |
| 7 | Simac Ladies Tour | 2.WWT |
| 8 | World Championships WE - ITT | WC |
| 9 | Miron Ronde van Drenthe | 1.WWT |
| 10 | Premondiale Giro Toscana Int. Femminile - Memorial Michela Fanini | 2.2 |
| 11 | Postnord Vårgårda WestSweden RR | 1.WWT |
| 12 | Omloop Het Nieuwsblad WE | 1.Pro |
| 13 | Internationale LOTTO Thüringen Ladies Tour | 2.Pro |
| 14 | Durango - Durango Emakumeen Saria | 1.1 |
| 15 | Drentse Acht van Westerveld | 1.2 |
| 16 | Postnord Vårgårda WestSweden TTT | 1.WWT |
| 17 | Gent-Wevelgem In Flanders Fields WE | 1.WWT |
| 18 | Ceratizit Festival Elsy Jacobs | 2.Pro |
| 19 | Strade Bianche Donne | 1.WWT |
| 20 | Olympic Games WE - Road Race | Olympics |
| 21 | Amstel Gold Race Ladies Edition | 1.WWT |
| 22 | Women's Tour | 2.WWT |
| 23 | Omloop van het Hageland WE | 1.1 |
| 24 | Milano-Sanremo Donne | 1.WWT |
| 25 | EasyToys Bloeizone Fryslân Tour | 2.1 |