Trail Running Calendar Washington 2026-2027

We have found 159 Trailruns in Washington. Check below where and when you can find the races.

Trail races on Orcas Island with 50K, 25K and a two-day Double 75K featuring old-growth forest single track, substantial elevation gain, marked aid stations and a seaside base at Doe Bay Resort. Ferry access is required.

A looped trail event in Port Gamble offering 100 mile, 100K and 50 mile options across eight 12.5 mile loops with two aid stations per loop, on-course GPX support, camping, and amenities including hot food and post-run massage.

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 largely downhill marathon and half marathon through the Snoqualmie Tunnel near Snoqualmie Pass, WA, using an alternate 2026 route with about 1,000 feet net elevation drop and USATF certification.

A community-focused trail festival at St. Edwards State Park with looped races of about 1.9, 3.8 and 5.7 miles, festival activities, medals for finishers, and a reusable cup program to reduce disposable waste.

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 multi‑mile obstacle course at Riverside High School in Chattaroy with 30-plus obstacles, competitive and open divisions, age 14 and up, finisher medals and proceeds benefiting Riverside High School Athletics.

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.

Monthly trail races at Cougar Mountain near Seattle offer distances from 5K up to 26.2 miles, support King County Parks, and include USATF championship and youth race options.

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 in North Central Washington for teams of eight, covering roughly 75 miles per day over singletrack, logging roads, and pavement. Navigation uses printed maps and minimal markings, with cumulative team times recorded.

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.

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