Trail Running Calendar Washington 2026-2027

Trail races near Yakima, WA starting at Tree Phones Campground. Distances include a 25K with over 3500 ft of climb and a 12K option, with aid stations, medals for top finishers, and post-race refreshments.

OUTLAST Spokane is a six hour trail challenge where runners complete a 5K each hour. Complete all six laps to earn the OUTLAST medal and a place on the national leaderboard.

Experience the lush forests and rolling hills of Cougar Mountain Regional Wildland Park at this trail event near Seattle. Choose between 5k, 10.8 mile, and 19.5 mile distances on varied terrain ranging from technical to groomed trails.

Mud Mountain Trail Fest is a trail running event at Mud Mountain Dam in Enumclaw, Washington on July 11, 2026. It offers a 4 Miler and a 10K on forested trails described as moderately challenging.

An all-ages glow run through the Snoqualmie Tunnel on the Palouse to Cascades trail with LED lighting, two participant waves, onsite merch options, and a post-race outdoor block party with food, games and drinks.

Monthly trail races at Cougar Mountain offer a range of distances across a summer series and an October autumn event. The events raise funds for King County Parks and include USATF championship and youth races in August.

An Okanogan Highlands Alliance fundraising trail event at Lost Lake Group Camp near Tonasket, WA, offering multiple distances, an untimed 7 Mile Walkers option, camping, a post-race meal, raffle, and a free 1k kids run.

A 5K trail run and walk on Tiger Mountain with an out and back route over unpaved roads and a short cross country section. The event is clothing optional and is sponsored by Tiger Mountain Family Nudist Park.

A mountain race weekend at Crystal Mountain on July 17-18, 2026 featuring a half marathon, downhill 10K and a 5K hill climb. Registration includes an all-day gondola pass and courses run on dirt trails through meadows and forest.

A 100 mile endurance race through Washingtons Cascade Mountains centered in Easton, with forested and rugged trails and a long-standing volunteer and radio operator community. Finishers under 32 hours may qualify for a Western States lotter..

A timed endurance event in Spokane using a 4.5 mile out-and-back loop with 13, 6, 1 hour run and ruck formats, on-course fueling, bib-based lap tracking, and awards for 11 or more passes.

Paper Maker OCR at Lacamas Lake Regional Park on July 18, 2026 features a natural-terrain obstacle course of over four miles with 10+ obstacles and a kids loop for ages 4 to 10. A competitive division offers cash prizes for top finishers.

A roughly 3-mile obstacle trail run at Joint Base Lewis-McChord on 18 July 2026, with waves of 25 released every five minutes and entry capped at 1,500. Packet pick-up includes a shirt, medal, bib and a post-race beverage ticket.

A Tuesday Night Trail to Grill series run at St. Edward State Park featuring a 4.2 mile loop or an 8.6 mile double-loop on varied single track and wider trails, with an aid station offering drinks and snacks.

A one day community run and expo on July 22, 2026 in Seattle featuring group runs, an expo with brand booths, and a raffle. The event highlights local races, run clubs, running stores, and vending partners.

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.

Mountain ultramarathon near Spokane using a 25-mile loop for 25, 50, and 100 mile races, with technical singletrack, multiple aid stations, significant elevation, and on-site amenities.

The Rams Twilight Trail Run will take place in Chattaroy on Wednesday 29 July 2026. You can run 5 kilometers.

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.