Trail Running Calendar Washington 2026-2027

We have found 156 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 multi-distance road race around Soaring Eagle Park in Sammamish commemorating the nation's 250th birthday, with aid stations every 2.5 miles, shaded course, commemorative medals and T shirts for participants.

A trail running event at Yacolt Recreation Park on July 5, 2026, featuring a 50 mile ultra plus a 50K and a marathon. Courses use technical single track, multiple aid stations, camping, and a post race meal.

An evening trail loop at Seward Park on July 7, 2026, through old growth forest with options of 4.2 mile or 10k. The course includes a twisty rooty section, an aid station, and participation in a Tuesday night series with youth entries.

Devil's Gulch is a trail race at Mission Ridge offering half marathon, 50 mile and 100 mile courses through Ponderosa forest with large elevation gain, technical single track, rock formations and aid stations.

Trail runs near Yakima, WA with 25K and 12K out and back single track courses. The 25K has over 3500 ft of climb, aid stations and medals for top finishers, with post race refreshments provided.

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 hosted by Okanogan Highlands Alliance at Lost Lake Group Camp, offering 11 mile, 7 mile, 7 mile walkers, and 3 mile options, plus camping, a free kids fun run, a raffle, and a post race meal.

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 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..

ROGUE//13 in Spokane offers 13-hour, 6-hour and 1-hour run and ruck formats on a 4.5 mile out-and-back loop, with a semi-stocked aid station and patches or buckles awarded by pass count.

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.

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