Trail Running Calendar Washington 2026-2027

We have found 178 Trailruns in Washington. Check below where and when you can find the races.

A trail event on Vashon Island offering 50K, 20 mile and 10 mile courses through Island Center Forest, with staffed aid stations, drop bag access, a team competition and a youth-certified program.

Experience a scenic 50 mile team relay from the foothills of Mount Rainier to the Tacoma waterfront. Join a team of 2 to 6 runners for an adventure ending at a seaside finish line celebration.

FORGE is a 12-hour backyard ultra in Washington. Runners complete a 4.167-mile loop every hour on the hour, with a total of 50 miles possible. The format tests endurance and pacing on a flat, unshaded course.

Trail races at Mt Spokane State Park offering 50k, 25k and 10k courses with summit climbs, alpine meadows, forest trails, postrace food and beer, and a prize purse.

Trail races on the east flank of Tiger Mountain near Issaquah, WA, offering 5k, 12.6k and a 13.56-mile Half Marathon on well-marked loop courses with aid stations, parking at a DNR trailhead, and youth discounts.

Loop the 'Lupe! offers a unique mix of obstacle course challenges and family friendly runs in Seattle. Choose from competitive elite waves, a simpler family course, or flat walking events, all supporting local community outreach. Everyone g..

Experience a friendly, low cost marathon or relay along the Green River and Interurban trails ending at Alki Beach. This community event offers distances from a half marathon to a 50K with views of the Puget Sound.

Trail races on Orcas Island offering 50K, 25K, and a Double 75K over varied single track and old growth forest. The start and finish are at Doe Bay Resort with aid stations, drop bags, on site camping options, and required ferry reservation..

Lumberjack 100 is a multi distance ultrarun in Port Gamble, Washington with eight 12.5 mile loops. Options include 100 mile, 100K, and 50 mile distances, with three aid stations per loop and on course drop bag support.

Event Overview The SOWF Ultra is a 24-hour endurance event taking place in June 2026. The event is free to enter and supports the Special Operations Warrior Foundation, which provides educational and financial support to the children and sp..

A fast, mostly downhill marathon and half marathon through the Snoqualmie Tunnel on packed gravel. The marathon is a Boston qualifier and both races include aid stations and shuttle service back to Hyak Sno-Park.

The We Out Here Trail Festival will take place in Kenmore from Friday 12 June 2026 to Sunday 14 June 2026. You can run between 4 and 6 miles.

A weekend of mountain trail races at Frater Lake WA offering distances from about 13.5 miles up to 100 kilometers, multiple aid stations, significant elevation gain, and ruck relay and solo ruck options.

A USATF certified net downhill marathon and half marathon through the Snoqualmie Tunnel corridor in Snoqualmie Pass, WA on June 13, 2026. Ranked #22 nationally for Boston qualification, the event includes professional timing and live tracki..

An obstacle course race on June 13, 2026 at Riverside High School in Chattaroy, WA. The 5 mile course features 30 plus obstacles, competitive and open divisions, prizes for top competitive finishers, and proceeds support the school.

A Last Person Standing trail race in Japanese Gulch near Mukilteo, WA, run on a 2.18 mile forest loop with steadily shrinking time cutoffs until one runner remains. Full aid is provided and part of registration funds trail improvements.

Experience diverse trails and lush forests at Cougar Mountain Regional Wildland Park. Choose from three distances ranging from a 5k to 14.5 miles just minutes from Seattle.

A trail-focused half marathon and four mile in White Salmon, WA, featuring lollipop loops, Columbia River views, and three aid stations. Proceeds support the White Salmon Cross Country program and day of registration is available.

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.

Experience an adventurous three day stage relay through North Central Washington for teams of eight. Navigate 225 miles of rugged trails and forest roads using old school maps in this unique low tech mountain running event.