| 01.05 | |  National Road Championships - Belgium TT U23 | CN | |
| 01.05 | |  Eschborn-Frankfurt U23 | 1.2U | |
| 01.05 | |  National Road Championships - Chile TT U23 | CN | |
| 02.05 | |  National Road Championships - Greece TT U23 | CN | |
| 04.05 | | National Road Championships - Greece U23 | CN | |
| 11.05 | | Gent-Wevelgem / Kattekoers-Ieper | 1.2U | |
| 11.05 | |  Gran Premio Industrie del Marmo | 1.2U | |
| 14.05 | 18.05 |  Orlen Nations Grand Prix | 2.NCUP | |
| 16.05 | |  National Road Championships - Argentina TT U23 | CN | |
| 17.05 | | National Road Championships - Argentina U23 | CN | |
| 17.05 | |  National Road Championships - Peru TT U23 | CN | |
| 18.05 | | National Road Championships - Peru U23 | CN | |
| 21.05 | 25.05 |  Ronde de l'Isard | 2.2U | |
| 21.05 | |  National Road Championships - USA TT U23 | CN | |
| 24.05 | |  National Road Championships - Serbia TT U23 | CN | |
| 24.05 | |  National Road Championships - Paraguay TT U23 | CN | |
| 24.05 | | Due Giorni Marchigiana - G.P. Santa Rita | 1.2U | |
| 24.05 | | National Road Championships - USA U23 | CN | |
| 25.05 | | Due Giorni Marchigiana - Trofeo Città di Castelfidardo | 1.2U | |
| 25.05 | | National Road Championships - Serbia U23 | CN | |
| 29.05 | 01.06 |  Course de la Paix Grand Prix Jeseníky | 2.NCUP | |
| 31.05 | |  National Road Championships - Malaysia U23 | CN | |
Materiaalzone 
Fietstoerisme 
