Trail Running calendar near Mount Rainier National Park 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.

A time based trail event at Fort Steilacoom Park offering 3 hour, 6 hour, and 8 hour options on a 5 mile loop with 520 feet of gain and on course aid and lap recording.

Trail runs at St. Edward State Park offering 4 mile or 8 mile looped courses along singletrack and shoreline. It is the fifth event in the 2026/27 Winter Trail Series and includes an aid station and parking options.

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.

Timed loop race at Green Lake Park in Seattle offering 12 hour and 5 hour options. Runners complete repeated 3.2 mile laps counter clockwise on a groomed dirt path, and the competitor with the most laps in the time wins.

A 50 kilometer out and back trail race near Ellensburg, WA with about 9,200 feet of elevation change across exposed high desert ridgelines and rocky singletrack. Aid stations are provided and primitive on site camping is available.

A 25K out and back trail race near Ellensburg, WA with roughly 4,700 feet of elevation gain and loss across exposed, rocky singletrack and jeep road ridgelines. Two aid stations are on course and runners must carry at least 32 ounces of wat..

Obstacle course races take place May 1 and 2, 2027 at Meadow Wood Equestrian Center in Snohomish, WA. Events include a 5 km with 20 obstacles, a 10 km with 25 obstacles, and kids races on wooded trails.

The Trillium Trail Run will take place in Bainbridge Island on Saturday 8 May 2027. You can run between 5 and 10 kilometers.

A trail race weekend in Leavenworth on May 29, 2027 featuring a 50k, 25k, Town 5k and kids race, with mountain ridge courses, multiple aid stations, finisher options and a base area festival with food and music.

A paved out-and-back on the Foothills Trail in Puyallup, WA on May 29, 2027 offering *50 miles* and *50K* distances, multiple aid stations and a 15 hour cutoff.

Timed loop races on a 1.54 mile scenic loop in Magnuson Park offering 7-hour and 13-hour solo events with chip lap counting, a stocked aid station, race t-shirt and a boxed vegetarian post race meal.