Trail Running Calendar Washington 2026-2027

A weekend of mountain trail races at Frater Lake in the Colville National Forest, with distances from 13.5 miles to 100K, a ruck relay, and a beer mile event. Courses feature single track, summit climbs, and substantial elevation gain.

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.

A Last Person Standing trail race on a 2.18 mile loop in Japanese Gulch, Mukilteo. Timed loops use shrinking cutoffs from 32 minutes and the event includes a full aid station plus a fastest lap competition for men and women.

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.

A half marathon and 4 mile trail event on June 13, 2026 in White Salmon, WA, starting at Rheingarten Park. The Lollipop course features hilly trail loops, three aid stations, and benefits the White Salmon Cross Country program.

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 trail running festival at Jasper Mountain Reserve offering a 4-person 52.4-mile relay, a 26.2-mile marathon, a 13.1-mile half, and a 4.4-mile family run on single-track loops, with on-site camping and limited on-course aid.

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-course event on Strawberry Island in the Columbia River Gorge with 10k loops on dirt and gravel, an aid station every 6.2 miles, and race distances from 10k up to 100 miles with awards within a 30-hour limit.

An endurance event in Spokane offering 101 mile, 100 km, 10K run or ruck, and a Kiddo sprint, with one main aid station and Tailwind nutrition on course.

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.

Multi-distance trail race in Hyak, Washington on June 26-27, 2026 featuring 200K, 100-mile, 100K and 50-mile options, a 2.3 mile tunnel, crushed limestone surface, 1,916 ft gain, and electronic timing.

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 trail 5K on June 27, 2026, in the Blue Mountains of southeast Washington. The out and back course runs from Boundary Trailhead to Rose Springs SnoPark, with shuttle service, aid at the turnaround, and shirts and medals for finishers.

A self-supported, choose-your-own-adventure trail event at Camp Sheppard near Mount Rainier offering 24-hour solo, 24-hour team, and a 100-mile option, six marked trails, camping included, and points-based main and side quests.

A self supported trail event near Easton WA featuring a roughly 50K loop with about 10,000 feet of climb. The course has no markings or aid stations and requires carrying food, water treatment, a phone with the GPX, and prior 50 mile experi..

A ruck style trail event at Crystal Mountain Resort on June 27, 2026, offering three distances with a 20 lb dry load and elevation gains listed up to 5,629 ft.