Trail Running Calendar Washington 2026-2027

A Spartan obstacle race weekend at Meadow Wood Equestrian Center in Snohomish WA on May 2 and 3 2026. The event uses wooded dirt trails beside the Snohomish River and includes Sprint 5 km, Super 10 km and a Kids Race.

Point to point trail half marathon from Husum to White Salmon featuring a 1500' climb on Weldon Wagon Trail, trails lined with wildflowers, and a fully stocked aid station. Proceeds support the Volunteer Firefighters Association of SW Fire..

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 is a multi route trail event on Tiger Mountain near Issaquah on May 8 and 9, 2026. It features a *50k* plus Ascent, Big Cat and Ambush routes, and requires completion of three summit loops within the event cutoff.

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.

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.

A 20th anniversary running event in Maple Valley, WA on May 9, 2026, with races from a half marathon to 50K. The riverside, wooded course offers modest support, a piggy medal for finishers, and a strictly enforced cutoff.

The Rose Creek 10k is part of the Palouse Road Runners summer series on May 9, 2026, featuring a single loop on gravel roads near Albion, WA and the Rose Creek Nature Preserve; most series registrations are free and donations are welcome.

Test your endurance in the Chuckanut Mountains with a variety of timed vertical challenges. Complete as many mountain laps as possible to support clean air initiatives and climate change awareness in Washington.

Trail races at Soaring Eagle Regional Park in Sammamish WA offer multiple distances from kids races to a half marathon. Courses start on the Pipeline Trail and follow winding, mostly flat forest singletrack with rooty sections.

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.

A trail race at Rattlesnake Ridge near Snoqualmie offering 5K, 5.8 mile and half marathon routes on single-track trails with significant climbing, ridge views, and aid stations on the longer courses.

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.

Join this annual run and walk through the scenic habitat of the Columbia Whitetail Deer in Skamokawa. Support local youth programs by choosing from 10k, 5k, or 2 mile distances with your favorite canine companion.

Point to point trail races in Winthrop, Washington on May 16 and 17 2026. Choose 50 mile, 50 km or 25 km courses that finish lakeside at Big Twin Lake Resort with shuttle transport to the starts.

A family-friendly 5K in Wilbur, WA during Wild Bill Goose Days, with a mostly paved out-and-back course, a water station at the turnaround, and age-group and overall awards.

A 27K trail race on the Spokane Indian Reservation near Fruitland, WA, with about 3,400 feet of gain mostly in the first 8.5 miles; the route climbs to Westend Lookout Tower and returns to Anderson Ranch.

A community fundraising event on May 16, 2026 in Fairhaven Park featuring a half marathon, 10K and 3K/6K on nearby trails. Proceeds support Girls on the Run of NW Washington.

A 2.62-mile out-and-back on the paved double-wide trail at Frenchman's Bar Regional Park in Vancouver WA, with on-site gear pick-up, swag, parking for a fee, and a virtual participation option.

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.