| 01.04 | |  Dwars door Vlaanderen | 1.WWT | |
| 04.04 | |  NXT Classic | 1.2 | |
| 04.04 | |  National Road Championships - United Arab Emirates TT | CN | |
| 05.04 | | Ronde van Vlaanderen | 1.WWT | |
| 06.04 | | Ronde de Mouscron | 1.1 | |
| 08.04 | |  Région Pays de la Loire Tour - Féminin | 1.1 | |
| 08.04 | | Scheldeprijs | 1.Pro | |
| 09.04 | |  Elite Road Central American Championships TT | JR | |
| 09.04 | |  Oceania Road Championships TT | CC | |
| 10.04 | | Oceania Road Championships | CC | |
| 10.04 | |  National Road Championships - Egypt TT | CN | |
| 11.04 | | Elite Road Central American Championships | JR | |
| 11.04 | | National Road Championships - Egypt | CN | |
| 11.04 | | National Road Championships - United Arab Emirates | CN | |
| 12.04 | | Paris-Roubaix Femmes | 1.WWT | |
| 17.04 | | National Road Championships - Costa Rica TT | CN | |
| 17.04 | | De Brabantse Pijl | 1.Pro | |
| 19.04 | | Grand Prix Féminin de Chambéry | 1.1 | |
| 19.04 | | National Road Championships - Costa Rica | CN | |
| 19.04 | | Amstel Gold Race Ladies Edition | 1.WWT | |
| 19.04 | |  Gran Premio Ciudad de Eibar | 1.1 | |
| 20.04 | 21.04 |  Grand Prix Fergana Ladies | 2.2 | |
| 20.04 | 21.04 | Grand Prix Samarkand Ladies | 2.2 | Geannuleerd |
| 22.04 | | La Flèche Wallonne Féminine | 1.WWT | |
| 24.04 | |  National Road Championships - Panama TT | CN | |
| 25.04 | | EPZ Omloop van Borsele Women | 1.1 | |
| 25.04 | |  Gran Premio Della Liberazione Donne | 1.1 | |
| 26.04 | | National Road Championships - Panama | CN | |
| 26.04 | | Liège-Bastogne-Liège Femmes | 1.WWT | |
| 28.04 | 29.04 | Tour of Bostonliq Ladies | 2.2 | |
| 29.04 | 03.05 |  Tour of the Gila Women | 2.2 | |
| 30.04 | 03.05 |  Gracia | 2.2 | |
Materiaalzone 
Fietstoerisme 
