| 01.05 | 03.05 |  Tour de Yorkshire | 2.1 | |
| 01.05 | |  Destination Thy | 1.2 | |
| 01.05 | |  Mayor Cup | 1.2 | |
| 01.05 | |  Memorial Andrzeja Trochanowskiego | 1.2 | |
| 02.05 | |  Ronde van Overijssel | 1.2 | |
| 02.05 | 03.05 |  Vuelta Asturias | 2.1 | |
| 02.05 | | Himmerland Rundt | 1.2 | |
| 02.05 | | Memorial of Oleg Dyachenko | 1.2 | |
| 02.05 | | Memorial Romana Sieminskiego | 1.2 | |
| 03.05 | | Skive-Løbet | 1.2 | |
| 03.05 | |  Grand Prix de la Somme | 1.1 | |
| 03.05 | | Grand Prix of Moscow | 1.2 | |
| 03.05 | |  Circuito del Porto - Trofeo Arvedi | 1.2 | |
| 05.05 | 09.05 | Five rings of Moscow | 2.2 | |
| 06.05 | 10.05 |  Tour d'Azerbaïdjan | 2.1 | |
| 06.05 | 09.05 |  Banyuwangi Tour de Ijen | 2.2 | |
| 07.05 | |  Challenge du Prince - Trophée Princier | 1.2 | |
| 07.05 | |  Pan American Championship TT | CC | |
| 07.05 | 10.05 | Szlakiem Grodòw Piastowskich | 2.2 | |
| 08.05 | |  National Road Championships - Cyprus TT | CN | |
| 09.05 | |  Berner Rundfahrt / Tour de Berne | 1.2 | |
| 09.05 | |  107th Scandinavian Race in Uppsala 1909-2015 | 1.2 | |
| 09.05 | |  Hadeland GP | 1.2 | |
| 09.05 | 10.05 | Vuelta a la Comunidad de Madrid | 2.1 | |
| 09.05 | | Challenge du Prince - Trophée de l'Anniversaire | 1.2 | |
| 10.05 | | Ringerike GP | 1.2 | |
| 10.05 | |  Flèche Ardennaise | 1.2 | |
| 10.05 | | National Road Championships - Cyprus | CN | |
| 10.05 | | Pan American Championship | CC | |
| 10.05 | | Challenge du Prince - Trophée de la Maison Royale | 1.2 | |
| 10.05 | | Grand Prix de la Ville de Nogent-sur-Oise | 1.2 | |
| 12.05 | 17.05 | Olympia's 3M Tour | 2.2 | |
| 13.05 | 17.05 |  Flèche du Sud | 2.2 | |
| 13.05 | |  National Road Championships - Iran TT | CN | |
| 14.05 | 17.05 | Rhône-Alpes Isère Tour | 2.2 | |
| 14.05 | | National Road Championships - Iran | CN | |
| 15.05 | 17.05 | Tour de Picardie | 2.1 | |
| 16.05 | |  Copa FederacionVenezolana de Ciclismo | 1.2 | |
| 16.05 | 19.05 |  Tour of Black Sea | 2.2 | |
| 16.05 | | Grand Prix Criquielion | 1.2 | |
| 16.05 | |  Visegrad 4 Bicycle Race - GP Czech Republic | 1.2 | |
| 17.05 | 24.05 |  An Post Rás | 2.2 | |
| 17.05 | 24.05 |  Tour of Japan | 2.1 | |
| 17.05 | | Clasico FVCiclismo Corre Por la VIDA | 1.2 | |
| 20.05 | 24.05 | Baltyk - Karkonosze Tour | 2.2 | |
| 22.05 | 24.05 | Paris-Arras Tour | 2.2 | |
| 22.05 | |  National Road Championships - Malaysia | CN | |
| 23.05 | 24.05 |  World Ports Classic | 2.1 | |
| 23.05 | |  Visegrad 4 Bicycle Race - GP Hungary - EYOF Test Race | 1.2 | |
| 23.05 | |  National Road Championships - USA TT | CN | |
| 24.05 | |  Visegrad 4 Bicycle Race - GP Slovakia | 1.2 | |
| 26.05 | | National Road Championships - USA | CN | |
| 27.05 | 31.05 |  Volta do Paraná | 2.2 | |
| 27.05 | 31.05 | Tour des Fjords | 2.1 | |
| 28.05 | 02.06 | Tour of Iran (Azarbaijan) | 2.1 | |
| 28.05 | 31.05 |  Grand Prix Cycliste de Saguenay | 2.2 | |
| 28.05 | 31.05 | Tour de Kumano | 2.2 | |
| 29.05 | 30.05 |  Tour of Estonia | 2.1 | |
| 29.05 | 31.05 | Tour de Gironde | 2.2 | |
| 29.05 | |  Horizon Park Race for Peace | 1.2 | |
| 30.05 | | Horizon Park Race Maidan | 1.2 | |
| 30.05 | | Grand Prix de Plumelec-Morbihan | 1.1 | |
| 31.05 | | Horizon Park Classic | 1.2 | |
| 31.05 | | Boucles de l'Aulne - Châteaulin | 1.1 | |
| 31.05 | |  Garmin Velothon Berlin | 1.1 | |
| 31.05 | | Winston Salem Cycling Classic | 1.2 | |
Materiaalzone 
Fietstoerisme 
