Trail Running calendar near Joint Base Lewis-McChord 2026-2027

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.

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 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.