Trail Running calendar near Mukilteo 2026-2027

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.

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.

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.

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.

Experience the rugged beauty of Sumas Mountain with the Run for Water Trail Race. Tackle technical single track trails and significant elevation gain across three distances with stunning views of the Fraser Valley.

Join the Vedder Mountain Challenge at Cultus Lake for a weekend of 15 km and 35 km trail runs or a unique multisport race featuring paddle, bike, and run.

Explore technical trails and scenic climbs in the Sooke Potholes Regional Park. Race through the hills on established 25 km or 50 km routes featuring backcountry aid stations and custom apparel.

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..

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..

Experience a scenic 50 mile team relay from the foothills of Mount Rainier to the Tacoma waterfront. Join a team of 2 to 6 runners for an adventure ending at a seaside finish line celebration.

FORGE is a 12-hour backyard ultra in Washington. Runners complete a 4.167-mile loop every hour on the hour, with a total of 50 miles possible. The format tests endurance and pacing on a flat, unshaded course.

Explore the scenic Issaquah Alps with well supported loop courses through the Tiger Mountain State Forest. Choose from three distances featuring rolling forest roads and mountain biking trails just outside of Seattle.

Loop the 'Lupe! offers a unique mix of obstacle course challenges and family friendly runs in Seattle. Choose from competitive elite waves, a simpler family course, or flat walking events, all supporting local community outreach. Everyone g..

Experience a friendly, low cost marathon or relay along the Green River and Interurban trails ending at Alki Beach. This community event offers distances from a half marathon to a 50K with views of the Puget Sound.