| w 39 | Fri 1/10 | | | | | | | | | | |
| Sat 2/10 | MTBO 2021 Kvarnsveden | Kvarnsvedens GOIF OK | Dalarna | M | loc | | M | | |  |
| Sun 3/10 | Svartåtrampet 2021 (MTB-träning med tidtagning) | Degerfors OK | Värmland | M | club | | M | | |  |
| w 40 | Mon 4/10 | | | | | | | | | | |
| Tue 5/10 | Tullinge SKs öppna MTBO-KM | Tullinge SK | Stockholm | M | club | | M | C | | |
| Wed 6/10 | | | | | | | | | | |
| Thu 7/10 | JÄBONATTA | Skogslöparna | Ångermanland | FM | loc | | M | N | |  |
| Fri 8/10 | | | | | | | | | | |
| Sat 9/10 | | | | | | | | | | |
| Sun 10/10 | | | | | | | | | | |
| w 41 | Mon 11/10 | | | | | | | | | | |
| Tue 12/10 | | | | | | | | | | |
| Wed 13/10 | | | | | | | | | | |
| Thu 14/10 | | | | | | | | | | |
| Fri 15/10 | | | | | | | | | | |
| Sat 16/10 | Öppet KM MTB-O, medel | Lunds OK | Skåne | M | loc | | M | | | |
| Sun 17/10 | | | | | | | | | | |
| w 42 | Mon 18/10 | | | | | | | | | | |
| Tue 19/10 | | | | | | | | | | |
| Wed 20/10 | | | | | | | | | | |
| Thu 21/10 | | | | | | | | | | |
| Fri 22/10 | | | | | | | | | | |
| Sat 23/10 | MTBO-sprint | Tjällmo-Godegårds OK | Östergötland | M | club | | S | | | |
| Sun 24/10 | | | | | | | | | | |
| w 43 | Mon 25/10 | | | | | | | | | | |
| Tue 26/10 | | | | | | | | | | |
| Wed 27/10 | | | | | | | | | | |
| Thu 28/10 | | | | | | | | | | |
| Fri 29/10 | | | | | | | | | | |
| Sat 30/10 | | | | | | | | | | |
| Sun 31/10 | | | | | | | | | | |
