| 01.05 | |  UCI MTB World Cup XCC - YongPyong U23 | CDM | |
| 01.05 | |  The Showdown @Angler's Ridge U23 | 1 | |
| 03.05 | | UCI MTB World Cup XCO - YongPyong U23 | CDM | |
| 08.05 | | UCI Mountain Bike Continental Series - Englewood Open P/B Trek XC U23 | CS | |
| 09.05 | |  UCI Mountain Bike Continental Series - Gothenburg MTB Race - XCO U23 | CS | |
| 16.05 | |  UCI Mountain Bike Continental Series - American Series Costa Rica XCO U23 | CS | |
| 16.05 | |  Mauricius National Championships - XCO U23 | CN | |
| 17.05 | |  International MTB Bundesliga - Heubacher Mountainbikefestival U23 | HC | |
| 22.05 | |  UCI MTB World Cup XCC - Nové Město Na Moravě U23 | CDM | |
| 23.05 | | UCI MTB World Cup XCO - Nové Město Na Moravě U23 | CDM | |
| 23.05 | |  UCI Mountain Bike Continental Series - Coupe de Japon MTB Yawatahama U23 | CS | |
| 29.05 | |  African Continental Championships - XCO U23 | CC | |
| 30.05 | |  Muszynianka Poland Cup Puchar Polski MTB XCO U23 | 1 | Geannuleerd |
| 30.05 | |  UCI Mountain Bike Continental Series - Triada Mtb Cheile Grădiștei - XCO U23 | CS | |
| 30.05 | |  MTB French Cup XCO - Saint-Quentin-en-Yvelines U23 | HC | |
| 31.05 | |  Skoda Swiss Bike Cup - Savognin U23 | 1 | |
Materiaalzone 
Fietstoerisme 
