| 01.05 | 05.05 |  Tour of the Gila | 2.2 | |
| 01.05 | |  Pan American Championship TT U23 | CC | |
| 01.05 | 05.05 |  Tour de Azerbaijan | 2.2 | |
| 01.05 | |  Grote Prijs 1 Mei - Ereprijs Victor De Bruyne | 1.2 | |
| 01.05 | |  Memorial Andrzeja Trochanowskiego | 1.2 | |
| 01.05 | |  Mayor Cup | 1.2 | |
| 02.05 | | Pan American Championship TT | CC | |
| 02.05 | | Memorial of Oleg Dyachenko | 1.2 | |
| 03.05 | 05.05 | Szlakiem Grodòw Piastowskich | 2.1 | |
| 03.05 | | Grand Prix of Moscow | 1.2 | |
| 04.05 | |  Vuelta a la Comunidad de Madrid | 1.1 | |
| 04.05 | |  Berner Rundfahrt / Tour de Berne | 1.2 | |
| 04.05 | |  Ronde van Overijssel | 1.2 | |
| 04.05 | |  Hadeland GP | 1.2 | |
| 05.05 | | Pan American Championship | CC | |
| 05.05 | | Circuit de Wallonie Ville de Fleurus | 1.2 | |
| 05.05 | |  Circuito del Porto - Trofeo Arvedi | 1.2 | |
| 05.05 | | Ringerike GP | 1.2 | |
| 05.05 | 09.05 | Five rings of Moscow | 2.2 | |
| 08.05 | 12.05 |  Flèche du Sud | 2.2 | |
| 08.05 | 12.05 | Giro della Regione Friuli Venezia Giulia | 2.2 | |
| 09.05 | |  National Road Championships - Austria TT | CN | |
| 09.05 | | Ronde van Limburg | 1.2 | |
| 09.05 | 12.05 |  Rhône-Alpes Isère Tour | 2.2 | |
| 10.05 | |  Challenge du Prince - Trophée Princier | 1.2 | |
| 10.05 | 12.05 | Tour de Picardie | 2.1 | |
| 11.05 | |  Classic Beograd - Cacak | 1.2 | |
| 11.05 | |  Scandinavian Race in Uppsala 1909-2013 | 1.2 | |
| 11.05 | | Challenge du Prince - Trophée de l'Anniversaire | 1.2 | |
| 11.05 | 12.05 | Vuelta a Asturias | 2.1 | |
| 12.05 | |  Rund um Köln | 1.1 | |
| 12.05 | | Challenge du Prince - Trophée de la Maison Royale | 1.2 | |
| 13.05 | 18.05 | Royal Smilde Olympia's Tour | 2.2 | |
| 15.05 | 19.05 | Glava Tour of Norway | 2.1 | |
| 18.05 | 19.05 | Paris-Arras Tour | 2.2 | |
| 18.05 | | Grand Prix Criquielion | 1.2 | |
| 19.05 | 26.05 |  An Post Ras | 2.2 | |
| 19.05 | | Simac Omloop der Kempen | 1.2 | |
| 19.05 | 26.05 |  Tour of Japan | 2.2 | |
| 22.05 | 27.05 | Tour of Iran | 2.2 | |
| 24.05 | |  Race Horizon Park 1 | 1.2 | |
| 24.05 | 26.05 | Tour de Gironde | 2.2 | |
| 25.05 | | National Road Championships - USA TT | CN | |
| 25.05 | | Grand Prix de Plumelec-Morbihan | 1.1 | |
| 26.05 | | Boucles de l'Aulne | 1.1 | |
| 26.05 | | Race Horizon Park 2 | 1.2 | |
| 27.05 | | National Road Championships - USA | CN | |
| 30.05 | 01.06 |  Tour of Estonia | 2.1 | |
| 30.05 | 02.06 | Tour de Kumano | 2.2 | |
Materiaalzone 
Fietstoerisme 
