| DATE |
EVENT PAGE |
TERRAIN |
ORIENTEERING MAP |
DIRECTIONS |
HOST |
| Wed, Aug 12
- Sun, Aug 16
|
2026 US Radio Orienteering Championships |
Forest |
– |
Mt. Hood area, OR |
Mt Hood O |
| Wed, Aug 12
|
2026 Wednesday Evening #6 – Farrel-McWhirter Park |
Park |
Farrel-McWhirter Park |
Redmond, WA
|
CascadeOC |
| Fri, Aug 14
|
Street Scramble South Lake Union |
Urban |
– |
Seattle |
Mergeo |
| Wed, Aug 19
|
2026 Wednesday Evening #7 – Luther Burbank Park |
Park |
Luther Burbank Park (south entrance) |
Mercer Island, WA
|
CascadeOC |
| Thu, Aug 20
|
Monthly COC Board Meeting (open to all COC members) |
|
– |
Zoom |
Cascade OC |
| Wed, Aug 26
|
2026 Choose Your Adventure #2 – Street-O & Social! |
Urban |
– |
Seattle, WA (Fremont) |
Cascade OC & SGLRG |
| Sun, Sep 13
|
2026 Choose Your Adventure Series #3 – Corn Maze! |
Corn Maze |
Bob’s Corn Maze & Pumpkin Farm |
Snohomish, WA |
Cascade OC |
| Sat, Sep 19
- Sun, Sep 20
|
British Columbia Orienteering Championships / Western Canadian Orienteering Championships |
Open forest |
– |
Salmon Arm, BC |
Sage OC |
| Fri, Sep 25
- Sun, Sep 27
|
US Masters Nationals (NEOOC) |
Forest |
– |
Cleveland area, OH |
|
| Sat, Oct 10
|
2026 Winter League: North Training at Lynndale Park |
|
Lynndale Park |
Lynnwood, WA |
|
| Sat, Oct 17
|
2026 Winter League: South Training at Green River College (Pending Permits) |
|
Summit Trails/Rock Creek Natural Area |
Maple Valley, WA |
|
| Sat, Oct 17
- Sun, Oct 18
|
Petrified Forest Rogaines (GPHXO) |
Desert |
– |
Holbrook, AZ |
Greater Phoenix |
| Sat, Oct 17
|
2026 Choose Your Adventure Series #4 – Vampire-O! |
Park/Forest |
Lake Wilderness Park |
Maple Valley |
Cascade OC |
| Sun, Nov 1
|
2026 Choose Your Adventure Series #5 – Skeleton Bones! |
|
– |
TBD |
Cascade OC |
| Fri, Nov 6
- Sun, Nov 8
|
Golden State Orienteering Championships |
Multiple |
– |
Fresno, CA |
Multiple |
| Sat, Nov 7
|
2026-27 Winter League #1 – Woodland Park |
|
Woodland Park |
Seattle, WA |
|
| Sat, Nov 21
|
2026-27 Winter League #2 – Big Finn Hill Park (Pending Permits) |
|
Big Finn Hill – parking at Thoreau Elementary School |
Kirkland, WA |
|
| Sat, Dec 5
|
2026-27 Winter League #3 – Ft Casey/Camp Casey (Permits Pending) |
|
Fort Casey State Park |
Whidbey Island, WA |
|
| Sat, Dec 19
|
2026-27 Winter League #4 – North SeaTac Park |
|
North SeaTac Park |
SeaTac, WA |
|
| Sun, Dec 27
- Sat, Jan 2
|
2026 North American Orienteering Championships |
Multiple |
– |
Tucson, AZ |
Tucson OC |
| Mon, Dec 28
|
2026 Choose Your Adventure Series #6 – Bog Slog! |
Forest |
Lord Hill Regional Park – South Entrance |
Snohomish, WA |
Cascade OC |
| Sat, Jan 9
|
2026-27 Winter League #5 – North Seattle College |
|
North Seattle College |
Seattle, WA |
|
| Sat, Jan 23
|
2026-27 Winter League #6 – Ft Steilacoom/Pierce College |
|
Fort Steilacoom – main entrance |
Tacoma, WA |
|
| Sat, Feb 6
|
2026-27 Winter League #7 – Hamlin Park (Pending Permits) |
|
Hamlin Park-Kellogg Middle School |
Shoreline, WA |
|
| Sat, Feb 20
|
2026-27 Winter League Championships – Fire Mountain (Pending Permits) |
|
Fire Mountain Scout Camp |
Mount Vernon, WA |
|
| Sun, Feb 21
|
2026-27 Winter League Celebration Weekend Relay – Lynndale Park (Pending Permits) |
|
Lynndale Park |
Lynnwood, WA |
|
