Trail Running calendar near West Seattle 2026-2027

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.

The Pigtails Run will take place in Maple Valley on Saturday 9 May 2026. You can run between 21 and 50 kilometers.

The Elk/Beaver Ultras feature a fast, flat 10 km trail loop around Elk and Beaver Lakes near Victoria. The event offers four looped distances, from a 40 km walk to a 100 km run, on a precisely measured course. It's a historic race that has..

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.

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..

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.

This established trail run on Vashon Island offers 50K, 20 mile, and 10 mile distances through scenic, rolling park trails. The volunteer organized event emphasizes community, inclusivity, and support for youth athletics. Be sure to plan yo..

A team relay of about 50 miles from Mount Rainier foothills to Ruston Way on June 6, 2026. Teams of 2, 3, 4, or 6 compete while proceeds support the Foothills Rails to Trails Coalition.

Trail races on Tiger Mountain State Forest near Issaquah offering 5k, 12.6k and half marathon loop courses with varied terrain, aid stations on longer routes, and start and finish at the DNR trailhead.

Celebrating its 30th year, the Green River Marathon is a free, volunteer-run event in early June. It features a flat, scenic course from Kent to Seattle's Alki beach, with marathon, half marathon, 50K, and relay options. The community focus..

Run through the old-growth forests of Orcas Island on a challenging trail course with significant elevation gain. The event is a full weekend experience based at the scenic Doe Bay Resort, complete with a post-race celebration.

Event Overview The Lumberjack 100 is a trail running event in its 15th year, taking place at the Uplands in Port Gamble, Washington. It offers three race distances: 100 miles, 100 km, and 50 miles. Course Details All distances are run on an..

Light at the End of the Tunnel Marathon The Light at the End of the Tunnel Marathon takes place in Washington, starting from Snoqualmie Pass and finishing in North Bend. For 2026, the event will follow an alternate, fully permitted route du..

Race down the scenic Palouse to Cascades Trail at the Super Hyak Marathon & Half. This point-to-point course features a iconic 2.4-mile tunnel and smooth downhill grades, making it a Boston Qualifier. Runners receive shuttle service, a tech..

A Bellevue trail race at Sky Country Trailhead with 5K, 8.2 mile and 14.5 mile options plus short and long series. Organized by Seattle Running Club and Northwest Trail Runs, with 15 USD per entry donated to King County Parks.

Hotfoot 5K Trail Run in Port Orchard offers a mostly flat 5K and a 1 mile loop through South Kitsap Regional Park, with proceeds supporting a community scholarship and the public Fourth of July fireworks.

The Yeti Ultra Trail Washington takes place on the Palouse to Cascades Trail near Hyak. Runners can choose between 200K, 100-mile, and 100K distances on a crushed limestone course featuring a long tunnel. The event emphasizes a supportive c..