| Sun 13/5 | Kvarnsveden MTBO 2012 | Kvarnsvedens GOIF OK | Dalarna | M | nat | | M | | |  |
| Sun 27/5 | MTBO Södertälje | Södertälje-Nykvarn OF | Södermanland | M | nat | | M | | | |
| Fri 8/6 | SM MTBO Sprintdistans | Järfälla OK
Sigtuna OK | Stockholm
Uppland | M | champs | | S | | | |
| Sat 9/6 | SM MTBO Långdistans | Järfälla OK | Stockholm | M | champs | | L | | | |
| Sun 10/6 | SM MTBO Medeldistans | Söders-Tyresö | Stockholm | M | champs | | M | | | |
| Tue 10/7 | Gotlands 3-dagars MTB-O Dag 1 | Gotlands Bro OK | Gotland | M | reg | | M | | | |
| Wed 11/7 | Gotlands 3-dagars MTB-O Dag 2 | Gotlands Bro OK | Gotland | M | nat | | M | | | |
| Thu 12/7 | Gotlands 3-dagars MTB-O Dag 3 | Gotlands Bro OK | Gotland | M | nat | | L | | | |
| Mon 23/7 - Wed 25/7 | O-Ringen Halland MTB-O | O-Ringen
Svenska Orienteringsförbundet | | M | nat | | M | | | |
| Sun 2/9 | DM-MTBO Ångermanland | OK Nolaskogsarna | Ångermanland | M | reg | | M | | | |
| Sat 8/9 | MTB-O Falun | Stora Tuna OK | Dalarna | M | reg | | L | | | |
| Sun 9/9 | Öppet DM i MTBO | Östersunds OK | Jämtland-Härjedalen | M | champs | | M | | | |
| Sun 30/9 | Uppsala MTBO | IF Thor | Uppland | M | nat | | M | | | |
