Trail Running calendar near Chehalis 2026-2027

A full-day community event at Walt Hundley Playfield on 06/06/2026 featuring obstacle-course waves, a 5K fun run, a 3K walk, and a 1K youth dash, with proceeds supporting Our Lady of Guadalupe Church and an on-site after-party.

A volunteer-run, no-entry-fee event on June 6, 2026 offering marathon, half marathon, relay and 50K options. The mostly flat course runs from South Kent toward Alki with limited on-course support and donation-based funding.

Trail races of 5 km, 8.2 mile and 14.5 mile take place at Cougar Mountain Regional Wildland Park near Seattle. The series supports King County Parks funding and uses varied single track and groomed forest trails.

Enjoy a free seven race summer series featuring a 5k trail course in Black Diamond. Run or walk bi weekly races to build community and compete for season end prizes in a supportive environment.

A low-key evening trail race series in Forest Park with three five-race Series from April to October. Races cover 4 to 7 miles, score into Series standings after four finishes, and benefit the Forest Park Conservancy.

Hotfoot Trail Run, the 24th HotFoot 5K at South Kitsap Regional Park on June 20, 2026, features a mostly flat 5K loop and a 1 mile perimeter trail; preregistration fees, T-shirt sales, and community fundraising are part of the event.

Trail run at Carkeek Park in Seattle offering 5k and 10k loops through forested trails with varied climbs and descents. Aid station at start/finish, post-race food, awards, and series participation.

SISU 24 PNW at Camp Sheppard near Mount Rainier mixes self-supported trail running with 24 hour solo and team formats plus an optional 100 Mile route. Six marked trails, a points system with side quests, and weekend camping are included.

Test your endurance at Crystal Mountain Resort by tackling mountain trails with a 20 pound pack. Choose from three distances ranging from 6.5 to 18.5 miles in the scenic Mount Rainier National Park region.

Trail race on June 27, 2026 in Chapman, Oregon with 5K, 10K and half marathon courses from Ruley Trailhead. Chip timed event with packet pickup the day before and shuttles from Scappoose High School to the trailhead.

Trail races of 5 mile, half marathon and 50K through Tiger Mountain State Forest near Issaquah, WA. The half and 50K routes climb two of Tiger Mountain's peaks and include substantial elevation gain.

A low-key evening trail race series in Forest Park with three five-race Series from April to October. Races cover 4 to 7 miles, score into Series standings after four finishes, and benefit the Forest Park Conservancy.

A scenic community run or walk near Mossyrock Park offering a 5K and an 8K Hill Challenge that crosses Mossyrock Dam and provides views of Riffe Lake. Family pricing and age-based fees apply; partial refunds available until June 13.

Trail ultramarathon in Yacolt, Washington offering 50 miles, 50K and a trail marathon on forested routes with multiple aid stations and tent camping available.

An evening trail run at Seward Park on July 7, 2026, featuring a mostly forested loop with **4.2 mile** and **10k** options, an aid station, post-race food, youth series scoring, and awards for top finishers.

A multi-distance trail event at Cougar Mountain Regional Wildland Park near Seattle, featuring forested single-track, rolling hills and marshside trails. The 21st annual series supports King County Parks and includes a multi-race series com..

Mud Mountain Trail Fest is a trail running event at Mud Mountain Dam in Enumclaw, Washington on July 11, 2026. It offers a 4 Miler and a 10K on forested trails described as moderately challenging.

A 5K trail run and walk on Tiger Mountain with an out and back route over unpaved roads and a short cross country section. The event is clothing optional and is sponsored by Tiger Mountain Family Nudist Park.

A low-key evening trail race series in Forest Park with three five-race Series from April to October. Races cover 4 to 7 miles, score into Series standings after four finishes, and benefit the Forest Park Conservancy.

Trail races at Crystal Mountain near Mount Rainier on July 17 and 18, 2026, include a 5K hill climb, a 10K downhill and a half marathon. Registration includes an all day gondola pass and the weekend offers an expo, camping and race photos.