Trail Running Calendar Washington 2026-2027

We have found 141 Trailruns in Washington. Check below where and when you can find the races.

A trail running festival near Ellensburg, WA on April 26, 2026 offering 5K, 10K and a free kids dash among wind turbines with guided wind farm tours, food and a tree planting swag option.

May 2026

Enjoy a family friendly day on the Susie Stephens Trail with distances ranging from a quarter mile to a 5K. After the run head to the Winthrop Campus for a festival featuring games music and a cake walk.

Tiger Claw tests runners on the steep trails of Tiger Mountain. Options include a vertical ascent, a rugged 50k with three climbs, or a team relay. Tackle the challenging Pacific Northwest terrain.

Explore the trails of Bainbridge Island. This May event offers 10K and 5K courses through Battle Point Park, the Forest to Sky Trail, and the Grand Forest, plus a Kids Fun Run. All proceeds support local trail development.

Experience the lush single track trails of Cougar Mountain Regional Wildland Park in this focused trail series. Choose between various distances while supporting local park conservation and enjoying a cup free community running event.

Celebrate twenty years of running at this low-cost event in Maple Valley featuring scenic river and wood trails. Choose between 50k, marathon, or half marathon distances and enjoy post-race cake and themed medals.

Part of the Palouse Road Runners' free summer series, this 10k takes runners on a loop of gravel roads near Albion, WA and the Rose Creek Nature Preserve. It's a low-key community event with results posted online.

Explore the forest trails of Soaring Eagle Regional Park in Sammamish. Choose from a Half Marathon, 10K, 5K, or a fun Kids Race on a mostly flat, scenic course. This event is organized with a focus on sustainability.

The Dirty Turtle 25/50k offers tough trail runs with big views on Green Mountain. Tackle the rugged 50K or try the popular 25k ruck option with a weighted pack. Camp onsite and enjoy post race food and camaraderie.

Experience the single track trails of the Issaquah Alps at Rattlesnake Ridge. Choose between 5k, 5.8 mile, or Half Marathon routes featuring forest climbs and scenic views of the Snoqualmie Valley and Mt Rainier.

Experience a unique 4 mile run and walk through forests and valleys in Sumas. Tackle steep climbs and obstacles in this fundraiser event that concludes with a community celebration and local treats.

Join this annual run and walk through the scenic habitat of the Columbia Whitetail Deer in Skamokawa. Support local youth programs by choosing from 10k, 5k, or 2 mile distances with your favorite canine companion.

Join this 2.62 mile event at Frenchman's Bar Regional Park in Vancouver for a flat out and back course on a paved trail. Walkers, rollers, and runners are all welcome to participate in person or virtually.

The Leavenworth Trail Fest offers three scenic trail races in Washington's Cascade Mountains. Choose from a challenging 55k, a fast 27k with competitive divisions, or a beginner-friendly 5k. The event features a Bavarian-style festival with..

The Freedom 50 is an ultramarathon on Washington's scenic Foothills Trail, offering 50-mile and 50k distances. Starting in Puyallup, it features a paved course with a 15-hour cutoff. All finishers earn a custom medal and receive sponsor gif..

The Pigtails Challenge is a multi-distance ultramarathon on a rolling 9.4-mile loop at Lake Youngs Watershed. Distances range from 50k to 200 miles, with supported aid stations and meal service. It's a test of endurance on a shared, non-tec..

Experience a forested trail run through a scenic Seattle ravine with 4k, 8k, and 12k options. Enjoy groomed trails and a post race grill session featuring hot dogs and watermelon at Ravenna Park.

Run through the scenic ponderosa pine forests of Echo Valley near Lake Chelan. Choose from a 10K, half-marathon, or 50K on winding single-track trails, all run as a single loop. The event includes a free kids' race, camping options, and cup..

Choose your challenge in this timed ultramarathon on a scenic 1.75-mile loop around Lake Tye. Runners complete as many laps as possible within 12, 6, or 3 hours, supported by a full aid station. The event is a fundraiser supporting local tr..

Navigate the open pine forests of Washington's Teanaway Valley. Choose from 2, 4, or 8-hour categories using detailed orienteering maps. Free riverside camping is available near the start.