2027 Ultimate Orienteer Series preliminary schedule

Posted on October 7, 2026

Here is the tentative schedule for 2027, pending permits. There will be plenty of volunteer opportunities, before and during the events, so please let us know if you can help out. Email info@cascadeoc.org. Feb. 27 – Luther Burbank Park — Night-O Mar. 20 – Putney Woods — Freestyle Apr. 10 – Seattle University — Individual Relay May 8 – Magnuson Park — Score-O May 22 – Teanaway Forks — Goat May 23 – Dickey Creek — Middle June 12 – Fishtrap — Long/Ultralong – Possible NRE June 13 – […]

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EVENTS

Winter League

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Ultimate Orienteer

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Wednesday Evening

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Choose Your Adventure

DATE EVENT PAGE DIRECTIONS HOST
Sat, Oct 17

- Sun, Oct 18

 Petrified Forest Rogaines (GPHXO) Holbrook, AZ Greater Phoenix
Sun, Nov 1 2026 Choose Your Adventure Series #5 – Skeleton Bones! Shoreline, WA Cascade OC
Fri, Nov 6

- Sun, Nov 8

 Golden State Orienteering Championships Fresno, CA Multiple
Sat, Nov 7 2026-27 Winter League #1 – Woodland Park Seattle, WA 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 Kirkland, WA Cascade OC
Sat, Dec 5 2026-27 Winter League #3 – South Seattle College Seattle, WA Cascade OC

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RESULTS

Sun, Sep 13

2026 Choose Your Adventure Series #3 – Corn Maze!

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