| DATE |
EVENT PAGE |
TERRAIN |
ORIENTEERING MAP |
DIRECTIONS |
HOST |
| 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 |
Cascade OC |
| Sun, Nov 8
|
“About the Route” Course Review on Zoom |
Online |
Woodland Park |
Online |
Cascade OC |
| Sat, Nov 14
|
Cascade AR (by Krank Events) |
|
– |
Black Diamond area |
Krank Events |
| Sat, Nov 21
|
2026-27 Winter League #2 – Big Finn Hill Park |
|
Big Finn Hill – parking at Thoreau Elementary School |
Kirkland, WA |
Cascade OC |
| Sun, Nov 22
|
“About the Route” Course Review on Zoom |
Online |
Big Finn Hill – parking at Thoreau Elementary School |
Online |
Cascade OC |
| Sat, Dec 5
|
2026-27 Winter League #3 – South Seattle College |
|
South Seattle College |
Seattle, WA |
Cascade OC |
| Sun, Dec 6
|
“About the Route” Course Review on Zoom |
Online |
South Seattle College |
Online |
Cascade OC |
| Sat, Dec 12
|
Street Scramble at the Market |
Urban |
– |
Seattle, WA |
Mergeo |
| Sat, Dec 19
|
2026-27 Winter League #4 – North SeaTac Park |
|
North SeaTac Park |
SeaTac, WA |
Cascade OC |
| Sun, Dec 20
|
“About the Route” Course Review on Zoom |
Online |
North SeaTac Park |
Online |
Cascade OC |
| Sun, Dec 27
- Sat, Jan 2
|
2026 North American Orienteering Championships |
Multiple |
– |
Tucson, AZ |
Tucson OC |
| Sun, Dec 27
|
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 |
Cascade OC |
| Sun, Jan 10
|
“About the Route” Course Review on Zoom |
Online |
North Seattle College |
Online |
Cascade OC |
| Fri, Jan 15
- Sun, Jan 17
|
Desert Orienteering Festival (Lite) in Anza Borrego (by SDO) |
Desert |
– |
Anza-Borrego, CA |
SDO |
| Fri, Jan 15
- Mon, Jan 18
|
Georgia Navigator Cup 2027 (by GAOC) |
|
– |
Rutledge, GA |
GAOC |
| Sat, Jan 23
|
2026-27 Winter League #6 – Ft Steilacoom/Pierce College |
|
Fort Steilacoom – main entrance |
Tacoma, WA |
Cascade OC |
| Sun, Jan 24
|
“About the Route” Course Review on Zoom |
Online |
Fort Steilacoom – main entrance |
Online |
Cascade OC |
| Sat, Jan 30
|
Wicked Winter Navigation Race (by Krank Events) |
Snow |
– |
Cle Elum, WA |
Krank Events |
| Sat, Feb 6
|
2026-27 Winter League #7 – Hamlin Park |
|
Hamlin Park-Kellogg Middle School |
Shoreline, WA |
Cascade OC |
| Sun, Feb 7
|
“About the Route” Course Review on Zoom |
Online |
Hamlin Park-Kellogg Middle School |
Online |
Cascade OC |
| Sat, Feb 20
|
2026-27 Winter League Championships – Fire Mountain |
|
Fire Mountain Scout Camp |
Mount Vernon, WA |
Cascade OC |
| Sun, Feb 21
|
2026-27 Winter League Celebration Weekend Relay – Lynndale Park (Pending Permits) |
|
Lynndale Park |
Lynnwood, WA |
Cascade OC |
| Sun, Feb 21
|
“About the Route” Course Review on Zoom |
Online |
Fire Mountain Scout Camp |
Online |
Cascade OC |
| Sat, Mar 6
- Sun, Mar 7
|
2027 U.S. Master Nationals (BAOC) |
|
– |
San Jose, CA |
BAOC |
| Fri, Mar 12
- Sun, Mar 14
|
Sprint Camp 2027 (GVOC) |
|
– |
Vancouver, BC |
GVOC |
| Fri, Apr 2
- Sun, Apr 4
|
US Nationals – Flying Pig (by OCIN) |
|
– |
OH and KY |
OCIN |
| Fri, Apr 23
- Sun, Apr 25
|
USA Junior Nationals (GrizO) |
Open forest / campus |
– |
Missoula, MT |
GrizO |
