Trail Running Calendar Washington 2026-2027

We have found 155 Trailruns in Washington. Check below where and when you can find the races.

A ruck style trail event at Crystal Mountain Resort on June 27, 2026, offering three distances with a 20 lb dry load and elevation gains listed up to 5,629 ft.

A trail race near Issaquah, WA offering 50K, half marathon, 5 mile and kids races across Tiger Mountain trails with steep climbs, ridge running, aid stations and finish‑area food.

July 2026

Trail out and back on the Sammamish River Trail from Bothell Landing offering a half marathon, a full marathon and a 50K. Water and snacks are available and finishers receive a wooden medal.

Choose a 5K or the 8K Hill Challenge on trails that cross Mossyrock Dam, with Riffe Lake views and a short cross-country section. Family pricing and youth rates are available; partial refunds permitted before June 13.

A trail ultrarun in Yacolt, WA on July 5, 2026 offering 50 mile, 50K and a Purgatory Trail Marathon. The route features an escorted transfer to Moulton Falls, technical Tarbell Trail loops, waterfalls and multiple aid stations.

An evening trail run at Seward Park on July 7, 2026, with **4.2 mile** and 10k loop options through old growth forest, an aid station on course, post-race food and awards, and participation in a youth trail series.

Trail races at Mission Ridge with 100 Miler, 50 Miler, half marathon and a kids race across ridgelines, gulches and Ponderosa forests, with significant elevation gain and single track terrain.

Mountain single-track trail races near Yakima with *25K* and *12K* options, ridgeline views of Mt. Rainier and Mt. Adams, aid stations on course and medals for top finishers.

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.

A fundraising trail race at Lost Lake Group Camp near Tonasket offering 11, 7, and 3 mile options plus a timed 7 mile and an untimed 7 mile walkers category, with proceeds and gear sales supporting the Okanogan Highlands Alliance.

A 5K trail run and walk at Tiger Mountain Family Nudist Park on July 12, 2026. Clothing is optional and the event includes on-site camping, pool facilities, awards and supervised storage for clothing.

A weekend of mountain trail races at Crystal Mountain near Mount Rainier with a half marathon, downhill 10K, and uphill 5K. Registration includes an all day gondola pass and on site expo, camping, and sustainability policies.

A 100 mile trail race in Easton, Washington, featuring over 23,000 feet of climbing, about 32 miles on the Pacific Crest Trail, and the 2.3 mile Snoqualmie Tunnel. Entry used a lottery and specific volunteer and race qualifier requirements..

Rogue//13 is a 13 hour endurance challenge in Spokane using repeated 4.5 mile out and back passes on Quartz Mountain Lookout Trail. Aid is provided at Selkirk Lodge and finishers earn a patch or a buckle based on laps completed.

An obstacle course event at Lacamas Lake Regional Park on 07/18/2026 featuring a 4 mile course with 14+ natural obstacles and a kids loop for ages 4 to 10. Competitive and community waves include 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.

Trail races at St. Edward State Park near Lake Washington offering 4 mile and 8 mile looped courses on mixed single track and wider trails, with an aid station at the start/finish. Part of the Tuesday Night Trail to Grill series.

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