| w 35 | Sat 1/9 | PreO, Natt-DM, Uppland | Långhundra IF | Uppland | T | champs | | P | | | |
| PreO, TempO, Uppland | OK Linné | Uppland | T | nat | | T | | | |
| Öppet Roslagsmästerskap medeldistans | Rånäs OK
Vallentuna-Össeby OL | Uppland | | loc | | M | | |  |
| Sun 2/9 | PreO, Uppland | OK Linné | Uppland | T | nat | | P | | | |
| w 36 | Mon 3/9 | | | | | | | | | | |
| Tue 4/9 | Motionsorientering Uppland | Rasbo IK | Uppland | | loc | | L | | | |
| Wed 5/9 | | | | | | | | | | |
| Thu 6/9 | | | | | | | | | | |
| Fri 7/9 | | | | | | | | | | |
| Sat 8/9 | Linnéklassikern, medel | OK Linné | Uppland | | nat | | M | | |  |
| Sun 9/9 | Linnéklassikern, lång | OK Linné | Uppland | | nat | | L | | | |
| w 37 | Mon 10/9 | | | | | | | | | | |
| Tue 11/9 | Dag-KM 2018 | OK Enen | Uppland | | club | | M | | | |
| Wed 12/9 | Sprint-KM | OK Rodhen | Uppland | | club | | S | | | |
| Thu 13/9 | Roslagsveteranerna. | Häverödals SK | Uppland | | loc | | M | | | |
| Fri 14/9 | | | | | | | | | | |
| Sat 15/9 | | | | | | | | | | |
| Sun 16/9 | | | | | | | | | | |
| w 38 | Mon 17/9 | | | | | | | | | | |
| Tue 18/9 | | | | | | | | | | |
| Wed 19/9 | | | | | | | | | | |
| Thu 20/9 | | | | | | | | | | |
| Fri 21/9 | | | | | | | | | | |
| Sat 22/9 | DM, medel, Uppland | OK Triangeln | Uppland | | champs | | M | | | |
| Sun 23/9 | DM, stafett, Uppland | Långhundra IF | Uppland | | champs | R | L | | | |
| DM, stafett, Uppland, individuella öppna klasser | Långhundra IF | Uppland | | reg | | L | | | |
| w 39 | Mon 24/9 | | | | | | | | | | |
| Tue 25/9 | | | | | | | | | | |
| Wed 26/9 | | | | | | | | | | |
| Thu 27/9 | Roslagsveteranerna | OK Rodhen | Uppland | | loc | | L | | | |
| Fri 28/9 | | | | | | | | | | |
| Sat 29/9 | VÖOL-dubbeln, dag 1 | Vallentuna-Össeby OL | Uppland | | nat | | M | | | |
| Sun 30/9 | VÖOL-dubbeln, dag 2 | Vallentuna-Össeby OL | Uppland | | nat | | M | | | |
| MTBO, IF Thor ABCD-cup | IF Thor | Uppland | M | loc | | S | | | |
