| 01.04 | 06.04 |  Tour of Thailand | 2.1 | |
| 01.04 | |  Ronde van Vlaanderen | 1.UWT | |
| 01.04 | |  GP Adria Mobil | 1.2 | |
| 01.04 | |  La Roue Tourangelle | 1.1 | |
| 01.04 | |  National Road Championships - Argentina | CN | |
| 02.04 | 07.04 |  Vuelta Ciclista al Pais Vasco | 2.UWT | |
| 03.04 | 06.04 | Circuit Cycliste Sarthe-Pays de la Loire | 2.1 | |
| 06.04 | 08.04 | Circuit des Ardennes International | 2.2 | |
| 06.04 | 15.04 |  Tour du Maroc | 2.2 | |
| 08.04 | | Paris-Roubaix | 1.UWT | |
| 08.04 | | 64 Klasika Primavera de Amorebieta | 1.1 | |
| 10.04 | | Paris-Camembert | 1.1 | |
| 10.04 | |  2018 Commonwealth Games TT | CC | |
| 11.04 | 15.04 | Tour du Loir et Cher E Provost | 2.2 | |
| 12.04 | 15.04 |  Joe Martin Stage Race | 2.2 | |
| 13.04 | 15.04 |  GP Beiras e Serra da Estrela | 2.1 | |
| 14.04 | | Tour du Finistère | 1.1 | |
| 14.04 | | 2018 Commonwealth Games | CC | |
| 15.04 | | Tro-Bro Léon | 1.1 | |
| 15.04 | |  Amstel Gold Race | 1.UWT | |
| 18.04 | 22.04 | Tour of the Gila | 2.2 | |
| 18.04 | | La Flèche Wallonne | 1.UWT | |
| 19.04 | 22.04 |  Tour of Mersin | 2.2 | |
| 20.04 | 22.04 | Vuelta a Castilla y Leon | 2.1 | |
| 21.04 | 22.04 | Tour du Jura Cycliste | 2.2 | |
| 21.04 | |  Visegrad 4 Bicycle Race - GP Czech Republic | 1.2 | |
| 21.04 | | Arno Wallaard Memorial | 1.2 | |
| 22.04 | | Liège-Bastogne-Liège | 1.UWT | |
| 22.04 | 29.04 |  Tour du Sénégal | 2.2 | |
| 22.04 | |  Giro dell'Appennino | 1.1 | |
| 22.04 | |  Visegrad 4 Bicycle Race Grand Prix Poland | 1.2 | |
| 22.04 | |  Rutland - Melton Cicle Classic | 1.2 | |
| 24.04 | 29.04 |  Tour de Romandie | 2.UWT | |
| 24.04 | 27.04 |  Tour of Limpopo | 2.2 | |
| 25.04 | 01.05 | Le Tour de Bretagne Cycliste | 2.2 | |
| 27.04 | 29.04 | Vuelta Asturias | 2.1 | |
| 28.04 | | PWZ Zuidenveld Tour | 1.2 | |
| 28.04 | 29.04 |  Belgrade Banjaluka | 2.1 | |
| 28.04 | |  GP Himmerland Rundt | 1.2 | |
| 29.04 | | Paris - Mantes-en-Yvelines | 1.2 | |
| 29.04 | | Skive-Løbet | 1.2 | |
Materiaalzone 
Fietstoerisme 
