Trail Running calendar near Kittitas County 2026-2027

A forested loop at Seward Park offers 4.2 mile and 10k trail options as part of the Winter Trail Series, with an aid station near the start finish and a themed costume contest.

An endurance run at Fort Steilacoom Park where runners choose 3, 6 or 8 hour events on a 5 mile loop with 520 feet of gain. Aid stations provide drinks, light food, warm beverages, and handmade finisher awards.

A 4-mile and 8-mile looped trail run at St. Edward State Park featuring single-track, lakeshore running, an on-course aid station, and alternate parking at Bastyr University. Part of the 2026-27 Winter Trail Series.

Trail runs of 5 mile and Half Marathon at Soaring Eagle Regional Park in Sammamish, WA. Courses use technical singletrack and a Pipeline Trail section with aid stations and rolling short hills.

Interlaken Icicle Dash features 5k and 10k trail loops through Seattle's wooded Interlaken Park as the final event of the 2026-27 Winter Trail Series, with on-course aid and street parking near 21st Ave E and E Interlaken Blvd.

A multi distance trail event near Quincy WA on April 10 and 11, 2027 featuring single track loops that pass lakes, canyons and a waterfall. Options include 10K 25K 50K 50 Mile and a new marathon with on site packet pick up.

A Spartan obstacle weekend at Meadow Wood Equestrian Center on May 1 and 2, 2027, offering Sprint 5 km and Super 10 km race options, plus kids races and spectator access.