| 1 | | 1/05/2018 | | | | 1.WT3 | | | | Rund um den Finanzplatz Eschborn - Frankfurt | | | | URL | |
| 2 | | 1/05/2018 | | | | 1.2U | | | | Rund um den Finanzplatz Eschborn - Frankfurt u23 | | | | URL | |
| 3 | | 1/05/2018 | | | | 1.2 | | | | Memorial Andrzeja Trochanowskiego | | | | | |
| 4 | | 2/05/2018 | | | | 1.2 | | | | Memorial Romana Sieminskiego | | | | | |
| 5 | | 2/05/2018 | | 6/05/2018 | | 2.2 | | | | Five Rings of Moscow | | Stages | | | |
| 6 | | 3/05/2018 | | | | CCT2 | | | | Pan-American Championships (Prese Punta Negra) I.T.T. | | | | | |
| 7 | | 3/05/2018 | | 6/05/2018 | | 2.1 | | | | Tour de Yorkshire | | Stages | | URL | |
| 8 | | 3/05/2018 | | 6/05/2018 | | 2.2 | | | | Rhône-Alpes Isère Tour | | Stages | | URL | |
| 9 | | 3/05/2018 | | 6/05/2018 | | 2.2 | | | | Tour of Mesopotamia | | Stages | | URL | |
| 10 | | 4/05/2018 | | | | NCT5 | | | | National Championships Pakistan (Peshawar) I.T.T. | | | | | |
| 11 | | 4/05/2018 | | 27/05/2018 | | GT2 | | | | Giro d'Italia | | Stages | | URL | |
| 12 | | 4/05/2018 | | 6/05/2018 | | 2.2 | | | | Sri Lanka T-Cup | | Stages | | URL | |
| 13 | | 4/05/2018 | | 7/05/2018 | | 2.2 | | | | Tour de la Wilaya d'Oran | | Stages | | | |
| 14 | | 4/05/2018 | | 6/05/2018 | | 2.1 | | | | Vuelta Comunidad de Madrid | | Stages | | URL | |
| 15 | | 5/05/2018 | | | | 1.2 | | | | Sundvolden GP | | | | | |
| 16 | | 6/05/2018 | | | | 1.2 | | | | Circuito del Porto - Trofeo Arvedi | | | | | |
| 17 | | 6/05/2018 | | | | 1.2 | | | | Flèche Ardennaise | | | | | |
| 18 | | 6/05/2018 | | | | 1.2 | | | | Ringerike GP | | | | | |
| 19 | | 6/05/2018 | | | | 1.2 | | | | 100 Cycle Challenge | | | | URL | |
| 20 | | 6/05/2018 | | | | CC2 | | | | Pan-American Championships (Prese Punta Negra) R.R. | | | | | |
| 21 | | 8/05/2018 | | 13/05/2018 | | 2.HC | | | | 4 Jours de Dunkerque | | Stages | | URL | |
| 22 | | 9/05/2018 | | | | NCT5 | | | | National Championships Cyprus (Agios Ioannis Malountas) I.T.T. | | | | | |
| 23 | | 9/05/2018 | | 13/05/2018 | | 2.2 | | | | Flèche du Sud | | Stages | | URL | |
| 24 | | 11/05/2018 | | 13/05/2018 | | 2.2 | | | | CCC Tour - Grody Piastowskie | | Stages | | URL | |
| 25 | | 11/05/2018 | | 13/05/2018 | | 2.1 | | | | Vuelta Aragon | | Stages | | URL | |
| 26 | | 12/05/2018 | | | | 1.2 | | | | Ronde van Overijssel | | | | | |
| 27 | | 12/05/2018 | | | | 1.2 | | | | Scandinavian Race Uppsala | | | | | |
| 28 | | 12/05/2018 | | | | 1.2 | | | | Visegrad 4 Kerekparverseny | | | | | |
| 29 | | 13/05/2018 | | | | 1.2 | | | | Ronde van Noord-Holland | | | | | |
| 30 | | 13/05/2018 | | | | 1.2U | | | | GP Industrie del Marmo | | | | | |
| 31 | | 13/05/2018 | | | | 1.2 | | | | GP Criquielion | | | | | |
| 32 | | 13/05/2018 | | | | NC5 | | | | National Championships Cyprus (Agios Ioannis Malountas) R.R. | | | | | |
| 33 | | 13/05/2018 | | 19/05/2018 | | 2.WT3 | | | | Tour of California | | Stages | | URL | |
| 34 | | 16/05/2018 | | 20/05/2018 | | 2.HC | | | | Tour of Norway | | Stages | | URL | |
| 35 | | 16/05/2018 | | 20/05/2018 | | 2.2 | | | | Baltyk - Karkonosze Tour | | Stages | | URL | |
| 36 | | 17/05/2018 | | 20/05/2018 | | 2.2 | | | | Ronde de l'Isard | | Stages | | URL | |
| 37 | | 18/05/2018 | | 20/05/2018 | | 2.1 | | | | Tour de l'Ain | | Stages | | | |
| 38 | | 18/05/2018 | | 20/05/2018 | | 2.2 | | | | Paris - Arras Tour | | Stages | | URL | |
| 39 | | 19/05/2018 | | | | NCT5 | | | | National Championships Barbados (Spring Garden) I.T.T. | | | | | |
| 40 | | 19/05/2018 | | 23/05/2018 | | 2.2 | | | | Tour of Albania | | Stages | | | |
| 41 | | 20/05/2018 | | | | 1.1 | | | | GP Marcel Kint | | | | | |
| 42 | | 20/05/2018 | | | | NC5 | | | | National Championships Barbados (Stewart Hill) R.R. | | | | | |
| 43 | | 20/05/2018 | | | | NCT5 | | | | National Championships Botswana (Rasesa) I.T.T. | | | | | |
| 44 | | 20/05/2018 | | 23/05/2018 | | 2.2 | | | | Tour de Filipinas | | Stages | | URL | |
| 45 | | 20/05/2018 | | 27/05/2018 | | 2.1 | | | | Tour of Japan | | Stages | | | |
| 46 | | 20/05/2018 | | 27/05/2018 | | 2.2 | | | | Ras Tailteann | | Stages | | URL | |
| 47 | | 22/05/2018 | | 24/05/2018 | | 2.HC | | | | Tour des Fjords | | Stages | | URL | |
| 48 | | 23/05/2018 | | 27/05/2018 | | 2.HC | | | | Belgium Tour | | Stages | | | |
| 49 | | 24/05/2018 | | 26/05/2018 | | 2.2 | | | | Gemenc GP | | Stages | | URL | |
| 50 | | 25/05/2018 | | 27/05/2018 | | 2.1 | | | | Hammer Series Stavanger | | Stages | | | |
| 51 | | 25/05/2018 | | 26/05/2018 | | 2.1 | | | | Tour of Estonia | | Stages | | | |
| 52 | | 26/05/2018 | | | | 1.1 | | | | GP de Plumelec-Morbihan | | | | | |
| 53 | | 26/05/2018 | | 2/06/2018 | | 2.2 | | | | Tour du Cameroun | | Stages | | | |
| 54 | | 27/05/2018 | | | | 1.2 | | | | Circuit de Wallonie | | | | | |
| 55 | | 27/05/2018 | | | | 1.2U | | | | Paris - Roubaix Espoirs | | | | | |
| 56 | | 27/05/2018 | | | | 1.1 | | | | Boucles de l'Aulne - Châteaulin | | | | | |
| 57 | | 27/05/2018 | | | | XX | | | | Juegos Suramericanos (Cochabamba) I.T.T. | | | | | |
| 58 | | 28/05/2018 | | | | 1.1 | | | | Winston-Salem Classic | | | | | |
| 59 | | 30/05/2018 | | 3/06/2018 | | 2.HC | | | | Tour de Luxembourg | | Stages | | URL | |
| 60 | | 30/05/2018 | | 3/06/2018 | | 2.1 | | | | Tour de Korea | | Stages | | URL | |
| 61 | | 31/05/2018 | | 3/06/2018 | | 2.NC | | | | Course de la Paix U23 - GP Priessnitz Spa | | Stages | | | |
| 62 | | 31/05/2018 | | 3/06/2018 | | 2.2 | | | | Tour de Kumano | | Stages | | | |