Trail Running Calendar Washington 2026-2027

A 5 km trail race on the Riverside High School trails in Chattaroy, WA, organized by the Riverside High School Cross Country team and Ram Nation Boosters to raise funds for team travel and equipment, with marked course and awards.

A trail event at Mt St Helens with a 50K circumnavigation and a 25K option; the 50K requires prior 50K experience and specific mandatory gear.

Timed endurance events of 6, 12, 24 and 32 hour around a marked 2.6 mile wooded loop at Lake Padden, with night lighting, aid stations, keepsakes and awards; limited field and proceeds supporting a local youth program.

Two days of mountain running on Mount Ellinor near Hoodsport, Washington, with a 24 km Skyrace featuring 1,600 m of ascent and a 10 km Forest Loop. The event is North America’s stop on the Skyrunner World Series and part of the USA series.

A loaded trail event at Esmeralda Trailhead in Cle Elum, Washington on August 1, 2026. Two options: a 13 mile route with 4,406 ft elevation gain and a 9 mile mini with 2,831 ft, each requiring a 20 lb dry load.

Stair races and walks at Stadium Bowl in Tacoma with one lap and two lap options, a Heroes Race with weighted vests, and proceeds supporting Kindred Souls Foundation. Open to participants aged eight and up with guardian supervision for mino..

A trail race on August 8, 2026, starting at Fairhaven Park and running into Larrabee State Park. Routes showcase forest, lakes, and narrow ridgelines with options of 12K, 25K and 50K and significant elevation gain.

Zero Dark Ultra on August 8, 2026 in Spokane, WA is a Phase One Missions night-focused endurance event where runners and ruckers repeat a 1.56 mile dirt and wood chip loop. Self-sufficiency is encouraged and a semi-stocked aid station is pr..

Trail races of 5k, 14.5 miles and 26.2 miles take place in King County's Cougar Mountain Regional Wildland Park near Seattle. The event includes aid stations on course, supports King County Parks, and participates in a youth trail series.

A road race on Whidbey Island through Ebey’s National Historical Reserve offering 5K, 10K and a half marathon on hilly, scenic roads. Proceeds support safe and sober graduation activities for Coupeville High School Class of 2027.

A fast, scenic marathon and half marathon through the Snoqualmie Tunnel area on August 9, 2026. The USATF certified marathon is a Boston qualifier and the route features about 1000 feet of net downhill.

A point to point 200 mile endurance run through the Cascades around Mount St. Helens, held August 14-18, 2026. The route includes volcanic landscapes, ridge and forest sections, 13 aid stations and six sleep stations, and is timed continuou..

A 20 mile single track trail run on the south western side of Mount St Helens, featuring lava fields, stream crossings, old growth forest and a 9 hour cutoff on National Forest lands.

A timed loop endurance event at Lincoln Park in Seattle on August 15, 2026 offering 3, 6, 12 and 18 hour formats plus kids races, team competition, cupless aid stations, food options and awards by total mileage.

A last person standing backyard ultra at Camp 7, Riverside State Park in Spokane, WA. Runners do repeated hourly loops of 4.1667 miles and ruckers 2.2 miles until only one remains.

A multi-distance trail race festival in the Olympic National Forest near Quilcene, WA offering 100K, 50K, 25K, 10K and ruck divisions with significant elevation, mostly single-track courses, staffed aid stations and on-site camping.

An evening running event at Chambers Bay in University Place, Washington offering 5k, 10k and half marathon distances on a paved loop with varied terrain, aid stations, race-day packet pick-up, and event swag.

A 5K around Lake Padden in Bellingham on August 16, 2026, organized by Happy Tails Happy Homes to support animals in need. The route circles the lake on grass and trails with wooded sections and a few short hills.

A team relay at Crystal Mountain on August 21-22, 2026 featuring three alpine trail loops, a mid-race gondola ride, and views of Mt. Rainier. Multiple team formats are offered, plus on-site camping and glamping at Ragnar Village.

A point-to-point Cascade trail race with 50K and 50M options through forest, alpine meadows, and ridgeline terrain, topping out at Thorp Mountain Lookout and finishing at Salmon La Sac SnoPark.