Trail Running Calendar Washington 2026-2027

Event Overview The Spokane River Run is a trail running event taking place on April 19, 2026, at Riverside State Park in Nine Mile Falls, Washington. It is described as one of the oldest trail runs in the Pacific Northwest and has been reco..

Complete the 4x4x48 challenge by running 4 miles every 4 hours until you reach 48 miles. Experience a mix of track and trail running across Spokane and Riverside State Park in this test of mental and physical resilience.

Enjoy the Sunflower Relay, Half or Full Marathon through Methow Valley between Mazama and Twisp, running amid wildflower fields and private land open only for the event. Enter solo or as a 2 to 5 person relay team.

Join an inclusive community event in Lacey featuring USATF certified courses along the Chehalis Western Trail to support the Lions Low Vision Resource Center.

Run the scenic Cedar River trail near Lake Wilderness in Maple Valley. Choose from half marathon, 10k, or 5k distances on a USATF certified course. Enjoy a community finish with hot chili, a finisher medal, and a race T-shirt.

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.

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.

Trail races at Cougar Mountain in Bellevue on May 9, 2026, featuring 5.1 and 10.8 mile options and summer series distances. Events support King County Parks and run on fern-lined single-track trails with rolling hills.

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.

Join the flat, paved 2.62-mile course at Frenchman's Bar Regional Park in Vancouver. Early registration includes a swag bag and socks. Enjoy a community event with snacks and a flexible distance for all.

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..

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..