| 4 july | Estonia | Lange |
| 1 august | Germany | Strassbessenbach |
| 22 august | Czech Republic | Jinin |
| 29 august | Switzerland | Roggenburg |
| 19 september | Netherlands | Oss |
| 26 september | Germany | Rudersberg |
| 10 october | Czech Republic | Kramolin |
Sidecarcross World Championship 2021 calendar
