| 01.05 | |  30 Memorial Andrzeja Trochanowskiego | 1.2 | |
| 01.05 | |  Eschborn-Frankfurt - Rund um den Finanzplatz | 1.UWT | |
| 02.05 | 06.05 |  Five Rings of Moscow | 2.2 | |
| 02.05 | | 19 Memoriam Romana Sieminskiego | 1.2 | |
| 03.05 | 06.05 |  Tour of Mesopotamia | 2.2 | |
| 03.05 | |  Campeonato Panamericano de Ruta TT | CC | |
| 03.05 | 06.05 |  Rhône-Alpes Isère Tour | 2.2 | |
| 03.05 | 06.05 |  Tour de Yorkshire | 2.1 | |
| 04.05 | 06.05 |  Vuelta Ciclista Comunidad de Madrid | 2.1 | |
| 04.05 | 27.05 |  Giro d'Italia | 2.UWT | |
| 04.05 | 07.05 |  Tour International de la Wilaya d'Oran | 2.2 | |
| 04.05 | 06.05 |  Sri Lanka T-Cup | 2.2 | |
| 05.05 | |  Sundvolden GP | 1.2 | |
| 06.05 | | Circuito del Porto - Trofeo Arvedi | 1.2 | |
| 06.05 | |  100 Cycle Challenge | 1.2 | |
| 06.05 | |  Flèche Ardennaise | 1.2 | |
| 06.05 | | Campeonato Panamericano de Ruta | CC | |
| 06.05 | | Ringerike GP | 1.2 | |
| 09.05 | 13.05 |  Flèche du Sud | 2.2 | |
| 09.05 | |  National Road Championships - Cyprus TT | CN | |
| 11.05 | 13.05 | CCC Tour - Grody Piastowskie | 2.2 | |
| 11.05 | 13.05 | Vuelta Aragon | 2.1 | |
| 12.05 | |  Ronde van Overijssel | 1.2 | |
| 12.05 | |  Visegrad 4 Kerekparverseny | 1.2 | |
| 12.05 | |  110th Scandinavian Race in Uppsala 1909-2018 | 1.2 | |
| 13.05 | | Grand Prix Criquielion | 1.2 | |
| 13.05 | 19.05 |  Amgen Tour of California | 2.UWT | |
| 13.05 | | 72ste Profronde van Noord-Holland | 1.2 | |
| 13.05 | | National Road Championships - Cyprus | CN | |
| 14.05 | 20.05 |  Tour of Ukraine | 2.2 | Geannuleerd |
| 16.05 | 20.05 | Baltyk - Karkonosze Tour | 2.2 | |
| 18.05 | 20.05 | A Travers Les Hauts De France | 2.2 | |
| 18.05 | 20.05 | Tour de l'Ain | 2.1 | |
| 19.05 | 23.05 |  75th Tour of Albania | 2.2 | |
| 20.05 | | Grote Prijs Marcel Kint | 1.1 | |
| 20.05 | 27.05 |  Rás Tailteann | 2.2 | |
| 20.05 | 27.05 |  Tour of Japan | 2.1 | |
| 20.05 | 23.05 |  Le Tour de Filipinas | 2.2 | |
| 24.05 | 26.05 | Gemenc Grand Prix | 2.2 | |
| 25.05 | 26.05 |  Tour of Estonia | 2.1 | |
| 25.05 | 27.05 | Hammer Stavanger | 2.1 | |
| 26.05 | | Grand Prix de Plumelec-Morbihan | 1.1 | |
| 26.05 | 03.06 |  Tour du Cameroun | 2.2 | |
| 27.05 | | Boucles de l Aulne - Chateaulin | 1.1 | |
| 27.05 | |  Juegos Suramericanos TT | 1.1 | |
| 27.05 | | Circuit de Wallonie | 1.2 | |
| 28.05 | | Winston Salem Cycling Classic | 1.1 | |
| 30.05 | 03.06 |  Tour de Korea | 2.1 | |
| 31.05 | 03.06 | Tour de Kumano | 2.2 | |
| 31.05 | 03.06 | Boucles de la Mayenne | 2.1 | |
| 31.05 | 03.06 | Szlakiem Walk Majora Hubala | 2.1 | |
Materiaalzone 
Fietstoerisme 
