| 01.05 | |  Ronde van Overijssel Women | 1.1 | |
| 01.05 | 03.05 |  Festival Luxembourgeois du cyclisme féminin Elsy Jacobs | 2.1 | |
| 07.05 | |  Pan American Championship TT | CC | |
| 08.05 | 10.05 |  Tour of California WE | 2.1 | |
| 08.05 | |  National Road Championships - Cyprus TT | CN | |
| 09.05 | | Rabobank Marianne Vos Classic | 1.2 | |
| 09.05 | | Pan American Championship | CC | |
| 10.05 | | National Road Championships - Cyprus | CN | |
| 13.05 | 15.05 |  Tour of Chongming Island | 2.1 | |
| 16.05 | |  Copa Federacion Venezolana de Ciclismo WE | 1.2 | |
| 16.05 | |  Trofee Maarten Wynants | 1.2 | |
| 17.05 | | Clasico FVCiclismo Corre Por la VIDA | 1.2 | |
| 20.05 | 22.05 | Tour of Zhoushan Island | 2.2 | |
| 23.05 | | National Road Championships - USA TT | CN | |
| 25.05 | | National Road Championships - USA | CN | |
| 29.05 | | Boels Rental Hills Classic | 1.1 | |
| 30.05 | |  Grand Prix de Plumelec-Morbihan Dames | 1.1 | |
| 31.05 | |  SwissEver GP Cham-Hagendorn | 1.2 | |
| 31.05 | | Winston Salem Cycling Classic (WE) | 1.2 | |
| 31.05 | | Gooik-Geraardsbergen-Gooik | 1.1 | |
Materiaalzone 
Fietstoerisme 
