| 01.04 | 06.04 |  Itzulia Basque Country | 2.UWT | |
| 01.04 | 06.04 |  Tour of Thailand | 2.1 | |
| 02.04 | 05.04 |  Région Pays de la Loire Tour | 2.1 | |
| 03.04 | |  Scheldeprijs | 1.Pro | |
| 04.04 | 07.04 | Circuit des Ardennes | 2.2 | |
| 04.04 | 07.04 |  Tour of Mersin | 2.2 | |
| 05.04 | 07.04 |  Jamaica International Cycling Classic | 2.2 | |
| 05.04 | 07.04 |  Tour of Thessaly | 2.2 | Geannuleerd |
| 06.04 | |  National Road Championships - Paraguay TT | CN | |
| 07.04 | |  Giro della Città Metropolitana di Reggio Calabria | 1.1 | Geannuleerd |
| 07.04 | | National Road Championships - Paraguay | CN | |
| 07.04 | | Paris-Roubaix | 1.UWT | |
| 09.04 | 12.04 | Giro d'Abruzzo | 2.1 | |
| 10.04 | 14.04 | Tour du Loir et Cher | 2.2 | |
| 10.04 | | De Brabantse Pijl | 1.Pro | |
| 11.04 | 14.04 |  Vuelta a Formosa Internacional | 2.2 | Geannuleerd |
| 12.04 | |  Oceania Road Championships | CC | |
| 12.04 | | Classic Grand Besançon Doubs | 1.1 | |
| 13.04 | | Oceania Road Championships TT | CC | |
| 13.04 | |  Arno Wallaard Memorial | 1.2 | |
| 13.04 | | Tour du Jura Cycliste | 1.1 | |
| 14.04 | | Amstel Gold Race | 1.UWT | |
| 14.04 | | Tour du Doubs | 1.1 | |
| 15.04 | 19.04 | Tour of the Alps | 2.Pro | |
| 17.04 | | La Flèche Wallonne | 1.UWT | |
| 17.04 | 21.04 | Tour de Tunisie International de Cyclisme | 2.2 | Geannuleerd |
| 18.04 | 21.04 |  Belgrade Banjaluka | 2.2 | |
| 21.04 | | Giro della Romagna | 1.1 | |
| 21.04 | | Liège-Bastogne-Liège | 1.UWT | |
| 21.04 | 28.04 | Presidential Cycling Tour of Turkiye | 2.Pro | |
| 23.04 | 28.04 |  Tour de Romandie | 2.UWT | |
| 24.04 | 28.04 |  Tour of the Gila | 2.2 | |
| 25.04 | 01.05 | Le Tour de Bretagne Cycliste | 2.2 | |
| 26.04 | |  National Road Championships - Panama TT | CN | |
| 26.04 | 28.04 | Vuelta Asturias Julio Alvarez Mendo | 2.1 | |
| 27.04 | |  National Road Championships - Chile TT | CN | |
| 28.04 | | Grand Prix de la Somme Conseil Départemental 80 | 1.2 | |
| 28.04 | | National Road Championships - Chile | CN | |
| 28.04 | |  National Road Championships - United Arab Emirates | CN | |
| 28.04 | |  Int. Raffeisenbank Kirschblütenrennen | 1.2 | |
| 28.04 | | Lotto Famenne Ardenne Classic | 1.1 | |
| 28.04 | | National Road Championships - Panama | CN | |
| 28.04 | |  Rutland-Melton CiCLE Classic | 1.2 | Geannuleerd |
| 30.04 | 05.05 |  Tour du Bénin
| 2.2 | |
Materiaalzone 
Fietstoerisme 
