Trail Running calendar near Tacoma 2026-2027

A looped trail fundraiser at Carkeek Park in Seattle offering timed 12 hour and 6 hour options in person on October 24 2026 and virtually October 1 to 31. The 1.93 mile loop gains 436 feet per lap and entries are capped at 50.

A costumed community event at Lincoln Park featuring a trail 5K, kids dashes, and a virtual shirt option to support South Seattle College Cooperative Preschools. Registration includes a Monster Dash shirt and the 5K includes a timed bib.

An evening team relay in Ten Trails where teams of one to three hunt and return six hidden ghosts in Civic Park; free registration, prizes for fast finish, best team name, and best costume.

A 10K trail race in Port Gamble, Washington on October 31, 2026. The course mixes single track and dirt roads with about 600 feet of climbing and a pre race costume contest; the field is limited to 100 entrants.

Trail races at Cougar Mountain Regional Wildland Park near Seattle offering 5k, 7.6 mile, 19.5 mile and 50k courses through forested single track, rolling hills and marshes. Proceeds support King County Parks.

The Grand Ridge Trail Run closes the Evergreen season at Grand Ridge Park near Issaquah with multiple looped courses from 5 miles to 50K, significant elevation gain, stocked aid stations, and a cupless race policy.

A flat, out-and-back trail festival in Chehalis offering distances from 5K to 100 miles along the Willapa Hills Trail. The event features packed gravel surface, multiple aid stations, low entry fees, and support for trail maintenance.

A forested trail run at Carkeek Park in Seattle offering 5k and 10k courses with rolling and steep sections, an aid station at the start, and a youth discount for runners under twenty. Dogs are not allowed on the course.

Celebrate Veterans 5K in Tacoma, WA is a community run and walk on November 15, 2026 at Pipeline/Orange Gate Park that honors veterans and supports Project Recover. Registration includes chip timing, a commemorative medal, race photos, and..

Ravenna Refresher is a trail run at Ravenna Park in Seattle offering 4k, 8k, and 12k on a 4.1 km loop through forested ravine. The event includes an aid station, a youth discount, and is part of the Winter Trail Series.

Trail run at Redmond Watershed Preserve offering 5 mile and half marathon options on mostly wide, smooth trails. The half marathon repeats a 6.55 mile loop and includes two aid stations; a Winter Wonderland costume contest is part of the ev..

Pigtails Run in Maple Valley, WA offers several distances on a river-and-woods course and marks the race's 20th year. The event is organized as a low cost, low support race with limited aid and a strict safety cutoff.

A roughly 10 km trail run through Squaxin Park in Olympia on December 12, 2026. Start and finish at Reeves Middle School with a holiday aid station, finisher medal and a tree planted for each finisher.

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.

Trail races on the Olympic Adventure Trail near Port Angeles offering a 12K, half marathon, and 50K on single-track routes with mandatory shuttles, aid stations, chip timing, and an after-party including a hot meal and beer garden.