Trail Running Calendar Washington 2026-2027

A one-day community trail running festival in Seattle featuring social group runs in two route lengths, an expo with running brands and vendors, food and a raffle, and a cupless policy with no dogs except service animals.

Trail races near Greenwater, Washington offering 25K, 50K and 50 mile distances with Mt Rainier views. Courses use mostly single track with substantial climbing, staffed aid stations, and primitive camping at Ranger Creek Campground.

Trail ultramarathon at Mt. Spokane State Park on July 25 and 26, 2026. Runners choose 100 mile, 50 mile or 25 mile distances on a 25 mile mountain loop with technical singletrack and panoramic Selkirk Mountain views.

Weekend volunteer event in Cougar, WA where participants hike about 9 miles roundtrip to carry water into remote aid stations for a race. Camping is available nearby and organizers provide food and some loaner gear.

Volcanic stages rugged trail races around Mt. St. Helens with a full circumnavigation 50K and a 25K that shares iconic volcanic terrain, steep climbs, boulder fields, river crossings, and substantial elevation change. Both races start and f..

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..

Trail runs of 12K, 25K and 50K start at Fairhaven Park and loop through Larrabee State Park, featuring lakes, narrow ridgelines and views of Mt. Baker and Bellingham Bay. Courses include technical, rocky sections with multiple aid stations.

A 24 hour and multi duration run and ruck event on a 1.56 mile dirt and wood chip loop in Spokane, organized by Phase One Missions. The event emphasizes self sufficiency with a semi stocked aid station and a ruck weight limit of 45 pounds.

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.

Tunnel Vision Marathon and Half on August 9, 2026 in North Bend WA follows a USATF certified, mostly downhill route with about 1,000 feet net drop and a passage through the Snoqualmie Tunnel. The event includes chip timing, aid stations, an..

A 200 mile point to point trail ultramarathon through the Cascade Mountains around Mount St. Helens, held August 14 to 18, 2026, with 13 aid stations and six designated sleep stations to support continuous timed runs.

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.

Tartarus Backyard Ultra is a last person standing running and rucking event at Camp 7, Riverside State Park on August 15, 2026. Competitors complete repeated loops with a one hour cutoff per lap until one runner and one rucker finish a fina..

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.