| 03.05 | |  Klippingracet | 2 | |
| 04.05 | |  Bilbao Bizkaia Green Series XCO | 2 | |
| 04.05 | |  XCO Super Cup - Marmeleira U19 | 2 | |
| 04.05 | |  Vittoria 3 Nations CuporQ Trophy VAM berg | 2 | |
| 04.05 | |  Rye bike festival / Rye terrengsykkelfestival | 1 | |
| 04.05 | |  Zanzenbergrennen | 1 | |
| 04.05 | | XCO Ciudad de Guadalajara by Witzenmann | 2 | |
| 09.05 | |  Thailand National Championships - XCO U19 | CN | |
| 10.05 | |  Puchar Polski MTB XCO UCI C1 Muszynianka Poland CUP U19 | 1 | |
| 10.05 | | Gothenburg MTB Race U19 | 1 | |
| 10.05 | | Portugal CUP XCO Jamor - Cruz Quebrada - Oeiras U19 | 2 | |
| 10.05 | |  AC Heating cup STUPNOorská kola Stupno | 1 | |
| 10.05 | |  Swiss Bike Cup Schaan U19 | 1 | |
| 11.05 | |  3 Nations Cup Weekend Eupen U19 | 2 | |
| 11.05 | |  Lloyds National Cross Country MTB Series Round 3 - Glentress Forest U19 | 2 | |
| 11.05 | | Shimano Supercup Massi Santa Susanna U19 | 1 | |
| 16.05 | |  Hardwood Canada Cup XCO U19 | 2 | Geannuleerd |
| 17.05 | |  Courmayeur MTB Event U19 | 1 | |
| 17.05 | |  Mauricius National Championships - XCO U19 | CN | Geannuleerd |
| 17.05 | |  SP XCO Bratislava U19 | 3 | |
| 17.05 | |  Nepalese National Championships - XCO U19 | CN | Geannuleerd |
| 17.05 | | 6. Wilder Kaiser MTB Race U19 | 1 | |
| 18.05 | | Superprestigio MTB - Estella U19 | 1 | |
| 18.05 | |  Shimano MTB Liga #2 - Silkeborg U19 | 1 | |
| 18.05 | |  27. XCO Kamnik U19 | 1 | |
| 18.05 | |  Hellenic National XCO Cup #3 - Chania U19 | 2 | |
| 18.05 | |  MTB French Cup - Remiremont U19 | 1 | |
| 18.05 | | Bike Revolution #2 - Huttwil U19 | 1 | |
| 23.05 | |  Internacional MTB Series #2 - Pará de Minas U19 | 2 | |
| 24.05 | |  MTB XCO Csömör Nagydíj 13. Csömöri Bringafesztivál U19 | 2 | |
| 24.05 | | 3 Nations Cup Festival Vlaanderen U19 | 2 | |
| 25.05 | | Barkaldo Green Series XCO U19 | 2 | |
| 25.05 | | Vittoria-Fischer MTB Cup - Seon U19 | 3 | |
| 30.05 | |  Israel National Championships - XCO U19 | CN | |
| 31.05 | | Lugnet XCO U19 | 2 | |
| 31.05 | |  Shimano Supercup Massi Naturland U19 | 1 | |
| 31.05 | | Bexs Team MTB XCO | 3 | |
| 31.05 | |  XCO Samobor U19 | 1 | |
| 31.05 | | Czech MTB Cup - Ostrava U19 | 1 | |
| 31.05 | | Internationaler Raiffeisen Österreich Grand Prix U19 | 1 | |
| 31.05 | | Internazionali d'Italia Series 3# Del Montelloive Degli Angeli U19 | 1 | |
| 31.05 | | Sherbrooke Canada Cup U19 | 1 | |
Materiaalzone 
Fietstoerisme 
