Trail Running Calendar Washington 2026-2027

We have found 99 Trailruns in Washington. Check below where and when you can find the races.

Bridle Trails Winter Running Festival in Kirkland offers looped races from 5 miles to 50 km solo or relay on scenic but muddy winter trails. Come solo or as a team and remember your own cup and a headlamp.

Join the Pullman Winter Ultras on Jan 10 for looped 12.5K to 50K routes around the WSU loop. A free, laid back, self supported winter ultra; coffee and light snacks at the start, so bring your own water and fuel.

Tackle technical singletrack and rolling hills at the Frost Eagle Trail Run in Soaring Eagle Park on January 17. Pick a 5 mile or half marathon figure eight course with frequent aid stations and a lively winter trail vibe.

Run 17 or 34 miles on rugged Capitol State Forest trails in a low support Fat Ass format. Expect winter conditions, be self supported, and enjoy soup while supporting local forest and search and rescue.

Run a scenic 5K or 10K through Pierce College and nearby parks in Puyallup on January 18, 2026, then celebrate with freshly brewed coffee and handcrafted chocolate. Early registration pricing ends December 31, 2025.

Join the 2026 Get Outside 5k Fun Run in Burlington, WA on January 24 for a chip timed community 5k along wooded trails beside the airport. Enjoy a free race shirt with registration and support the Boys and Girls Clubs of Skagit County.

Race the Langlauf 10K at Mount Spokane on Jan 25, 2026 for a friendly wave start on a classic 10K course. Open to ages 1 to 99 with adaptive categories and volunteer guides, this event welcomes skiers of all levels.

Run the Interlaken Icicle Dash through Seattle's wooded Interlaken Park on January 31, 2026, with 5k and 10k loop options. As the final Winter Trail Series race, expect scenic climbs, a festive aid station, and a welcoming trail community.

Brave the 2026 Big Cross Frozen Tundra on January 31 in Pasco WA, a challenging 2.5 mile loop on woodchip, dirt and gravel with rolling hills. Pick a 2.5 or 5 mile race and grab a race logo giveaway.

February 2026

Join the West Seattle Beach Run Fat Ass on Sunday, Feb 8, 2026 for a scenic marathon or half along Elliott Bay and through Lincoln Park. Enjoy waterfront views, skyline sights, and a friendly grassroots vibe on this out and back course.

Join the Trio Trail Run February at Frontier Park in Graham on Feb 8, 2026 for a relaxed, laid back trail morning. Choose 2.5 km or a two loop 5 km course, with pre registration discounts for youth and day of race sign up available.

Run rolling trails through forested kettle terrain with bluff top views of the Strait of Juan de Fuca at Fort Ebey State Park on Whidbey Island. Options from 5 km to marathon with a finisher medal included.

Run Forest Run at Lake Sylvia State Park offers 25K and 50K trail loops along scenic shoreline and through mossy forests. Expect steep, muddy February trails with lots of climbing for a rugged, rewarding winter trail experience.

Woolley Trail Runs on February 14 in Sedro Woolley features 50k, marathon and half marathon on the scenic Cascade Trail. Courses are out and back on railroad grade gravel with limited aid so bring water. Parking is limited.

Celebrate Valentine's Day at the inaugural Song Sparrow Bridge run in Sedro Woolley with 10K and 4 Mile routes over new trails and two handcrafted bridges. Free entry, mass start, run at your own pace with muffins and Starbucks drinks.

Celebrate Valentine's Day with the Ten Trails Active Club Heartfelt Hustle, a free 5K community run in Black Diamond on Feb 14. Team entries, costumes, hand timed results and post race snacks make it a festive and friendly outing.

Challenge yourself on Lord Hill's rugged trails with options from 5K to a 50K ultramarathon, featuring a sustained opening climb and technical singletrack with creek crossings. This cupless event rewards every finisher with a handmade solar..

Take in beach and island views while racing the second annual Rock Solid Marathon or Half Marathon in Coupeville, WA. All finishers get a custom shirt and medal and proceeds benefit The Rock Solid Foundation.

March 2026

The Lost Lake 25K takes you point to point through old growth evergreens and ridgelines in the Chuckanut Mountains near Bellingham, WA. Expect runnable miles, scenic views of Mount Baker and Bellingham Bay, and a mix of climbs and smooth de..

Laliik Trail Races on March 7, 2026 near Benton City Washington offer scenic, challenging trails with distances from 5K to a 6 hour ultraloop. Run to support local trail conservation while enjoying steep climbs and sweeping views.