Trail Running calendar near Snohomish 2026-2027

We have found 121 Trailruns within 80 miles of Snohomish. See below where and when you can find the races.

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.

Experience a rugged trail race at Green Mountain featuring significant elevation and scenic summit views. Choose between 25k and 50k distances or join the official rucking division for a unique weighted pack challenge.

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.

A fundraising 4.45 mile run and walk in Sumas, WA on mixed road and trail with steep climbs, descents and obstacles. Proceeds support a local family facing a rare neurological condition. Participants must be 16 or older.

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.

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.

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..

Trail races through the pine filled Teanaway Community Forest near Cle Elum, Washington. Options include 5k, 10k, half marathon and marathon on dirt roads and trails with varied elevation and staffed aid stations.

June 2026

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.

Trail races on the east flank of Tiger Mountain near Issaquah, WA, offering 5k, 12.6k and a 13.56-mile Half Marathon on well-marked loop courses with aid stations, parking at a DNR trailhead, and youth discounts.

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.

Experience a weekend of island trail running featuring old growth forests and significant climbs on Orcas Island. Choose between 25K and 50K distances or tackle both for a vertical challenge with views of the Puget Sound.