Trail Running Calendar Washington 2026-2027

The SOWF Ultra, a planned 24 hour endurance event on a 4 mile loop in Nine Mile Falls to record combined participant miles for the Special Operations Warrior Foundation, was canceled due to insufficient community support and funding.

A downhill marathon and half marathon near Snoqualmie Pass on June 7, 2026 with an alternate fully permitted course, about 1,000 feet of net elevation drop, USATF certification, and the marathon listed as a Boston qualifier.

A multi-day, beginner-friendly trail festival at St. Edwards State Park focused on inclusion and community, with looped race distances, family activities, on-site refreshments, and a reusable cup program to reduce waste.

A multi-distance trail race weekend at Frater Lake in Colville National Forest featuring published GPX routes, high-elevation single-track courses from 13.5 miles to 100K, ruck relay and solo ruck options, and a Beer Mile event.

A USATF certified marathon and half in Snoqualmie Pass on June 13, 2026, running through the Snoqualmie Tunnel with a sustained net downhill and Boston qualifying eligibility. The event is ranked nationally for fast qualifying courses.

A wooded obstacle course race at Riverside High School on June 13, 2026, featuring an approximately 4.5 mile route with 30+ obstacles, competitive and open divisions, prizes for competitive top finishers, and medals for all finishers.

Gulch Countdown is a Last Person Standing trail race on a 2.18 mile loop in Japanese Gulch, Mukilteo, WA. Cutoff times shrink each loop until one runner remains; the event includes a full aid station, fastest-lap awards, and trail 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.

Trail half marathon and four mile in White Salmon, WA with lollipop loops, hilly terrain, and three aid stations. The event raises funds for the local cross country program and allows day of registration with cash, check or Venmo.

A seven race summer 5k series in Civic Park, Black Diamond with free single registration, hand timed open course, post race refreshments, and season prizes for participants who run at least four events.

A three day stage relay across North Central Washington for teams of up to eight, using printed maps and minimal course markings. Each day covers about 75 miles split into 16 legs, with on course medical support and nightly team gatherings.

A fundraising trail festival at Jasper Mountain Reserve near Dayton, WA offering relay, half and full marathon, and a 4.3 mile family run across three single track loops, with on-site camping on the off grid reserve.

An all women trail race weekend at the base of Mt. Adams in Trout Lake WA, June 19 to 21, 2026, offering 50k, marathon, half marathon and relay options, plus camping, panels, workshops and post-run recovery amenities.

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.

A loop race on Strawberry Island in the Columbia River Gorge featuring a 10 km loop over dirt and gravel trails. Multiple distances from 10K up to 100 miles are offered with aid every 6.2 miles and awards within a 30 hour limit.

An endurance event in Spokane featuring a 101.4 mile race, a 100 km race, a 10K run or ruck, and a kids sprint on a 1.56 mile lap course with one main aid station and crew parking.

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.

An ultramarathon weekend in Hyak, Washington offering new 200K plus 100 mile, 100K and 50 mile races on crushed limestone with a 2.3 mile tunnel and reported finish rate around 85 percent.

A weekend alpine trail running event in North Cascades National Park with guided support, campsite logistics and multiple route distances including 12 mile, 25 km, 26 mile and 40 mile options.

A 5K trail race in the Blue Mountains of southeast Washington, running from Boundary Trailhead along the North South Trail to Rose Springs SnoPark. A shuttle from Pomeroy High School is included and all finishers receive shirts and medals.