Trail Running calendar near Snohomish 2026-2027

We have found 122 Trailruns within 80 miles of Snohomish. See below where and when you can find the races.

A trail running weekend in Leavenworth, Washington featuring races from a town 5K to a two loop 55K. Courses use Ski Hill ridgelines with significant elevation gain, aid stations, festival activities, and awards across multiple divisions.

An ultramarathon in Puyallup, WA offering 50 mile and 50k courses along the paved Foothills Trail. The route includes the new White River bridge, multiple aid stations, and a 15 hour cutoff for the 50 mile distance.

Loop ultraruns at Lake Youngs Watershed near Renton WA offer distances from 50 kilometers to 200 miles. Each loop has 900 feet of elevation gain and the course provides repeated on course support and aid between laps.

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.

Trail races on Sumas Mountain offering 10 km, 25 km and 50 km options on rugged single track. Entry fees support clean water projects in Uganda and the DRC.

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

Trail races on Vashon Island offering 50K, 20 mile and 10 mile courses through the Gateway Trail system with aid stations, team competition, youth discounts and volunteer nonprofit organization.

A 50 mile team relay from the foothills of Mount Rainier to Tacoma’s Ruston Way waterfront on June 6, 2026. Teams of 2, 3, 4, or 6 share 12 mostly downhill legs along the Foothills Trail and finish at a waterfront festival with food and mus..

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.

Trail races on Orcas Island offering 50K, 25K, and a Double 75K over varied single track and old growth forest. The start and finish are at Doe Bay Resort with aid stations, drop bags, on site camping options, and required ferry reservation..

Lumberjack 100 in Port Gamble, WA is a looped trail event with 50 mile, 100K, and 100 mile options, marked single track and dirt road loops, multiple aid stations, and on site camping.

A downhill marathon and half marathon near Snoqualmie Pass on June 7, 2026 with an alternate fully permitted course, about 1,000 feet of net elevation drop, USATF certification, and the marathon listed as a Boston qualifier.

A multi-day, beginner-friendly trail festival at St. Edwards State Park focused on inclusion and community, with looped race distances, family activities, on-site refreshments, and a reusable cup program to reduce waste.

A USATF certified net downhill marathon and half marathon through the Snoqualmie Tunnel corridor in Snoqualmie Pass, WA on June 13, 2026. Ranked #22 nationally for Boston qualification, the event includes professional timing and live tracki..

Gulch Countdown is a Last Person Standing trail race on a 2.18 mile loop in Japanese Gulch, Mukilteo, WA. Cutoff times shrink each loop until one runner remains; the event includes a full aid station, fastest-lap awards, and trail funding.

Experience diverse trails and lush forests at Cougar Mountain Regional Wildland Park. Choose from three distances ranging from a 5k to 14.5 miles just minutes from Seattle.

Enjoy a free seven race summer series featuring a 5k trail course in Black Diamond. Run or walk bi weekly races to build community and compete for season end prizes in a supportive environment.