Trail Running calendar near Siler 2026-2027

A coastal route from Magnolia along the Elliot Bay Trail and Alaskan Way into West Seattle, ending near Lincoln Park. Half marathon and marathon have specific unmarked turnaround points that rely on mileage or street signs.

Join the Trio Trail Run February at Frontier Park in Graham on Feb 8, 2026 for a relaxed, laid back trail morning. Choose 2.5 km or a two loop 5 km course, with pre registration discounts for youth and day of race sign up available.

Celebrate Valentine's Day with the Ten Trails Active Club Heartfelt Hustle, a free 5K community run in Black Diamond on Feb 14. Team entries, costumes, hand timed results and post race snacks make it a festive and friendly outing.

The Trio Trail Run – March offers a low-key trail running event at Frontier Park in Graham. Runners can choose between a two-loop 5K or a 2.5K course. Day-of registration is available, with a discount for participants 18 and under.

Join the Running Rugger 5K on March 14, 2026 in Seattle for a scenic run across the University of Washington campus, Rainier Vista and waterfront. All abilities welcome and proceeds support the UW Womxn's Rugby Club for gear, travel and inc..

A beachside trail run at Dash Point State Park near Federal Way offering 10K and half marathon loop courses through sandy shoreline and lush forest, a cupless race policy, limited park parking, and a short kids race.

The fifth annual A2 PT 5K is a family friendly 5K on the Titlow Trails in Tacoma that benefits the National Multiple Sclerosis Society. The event features music, refreshments, a post-run raffle, race T-shirts for early registrants, and an o..

Join the official Daffodil Festival run on Sunday March 29, 2026 in Puyallup for the 6th annual Daffodil 8K. Enjoy a flat, chip timed, family friendly course from Van Lierop Park across the scenic Foothills Trail.

Trail races of 100K, 50K and 30K run in the Columbia River Gorge from Marine Park in Cascade Locks. The 100K is a Western States qualifier and the event includes Thunder Island camping plus marked courses and aid stations.

Squak Mountain Trail Run on April 18, 2026 features 12K, half marathon, and 50K options on forested singletrack near Issaquah, Washington. Courses include steep climbs, multiple loops, aid stations, and a cupless race policy.

The Capitol Peak races celebrate their 21st year in Washington's Capitol Forest. Choose between a rugged 50 mile ultra or a 25K trail race, both finishing at the Fall Creek Trailhead. Leashed dogs are welcome on the course.

A community event in Lacey on April 25, 2026 with 10K, 5K, and a family 1 mile, including USATF certified 5K and 10K courses. Walkers, wheelchair users, and trained service animals are welcome and proceeds benefit a low vision resource cent..

A trail running festival near Ellensburg, WA on April 26, 2026 offering 5K, 10K and a free kids dash among wind turbines with guided wind farm tours, food and a tree planting swag option.

A time trial on Firelane 1 in Forest Park: a **4.45-mile** out-and-back with 1,266 feet of climb and descent, wave starts every ten minutes, limited to 144 runners, followed by a live-feed post-race gathering at Great Notion Brewing.

Event Details The Tiger Claw takes place on May 8-9, 2026, starting and finishing at the Issaquah Community Center in Issaquah, Washington. The event features several trail running challenges on Tiger Mountain. Participants can choose from..

Trail races at Sky Country Trailhead in Bellevue on May 9 2026 offer 5.1 and 10.8 mile options as part of a summer series. Fifteen dollars from each entry is donated to King County Parks.

A makeup race on May 9, 2026 in Maple Valley, WA marking the event's 20th year. Multiple distances on a riverside, wooded course with low support and a strict 2:30 pm cutoff for the 50K.

The Wood You Rather will take place in Tualatin Mountains on Saturday 16 May 2026. You can run 8 miles.

Join Micah's Mini Marathon on May 17, 2026 at Frenchman's Bar Regional Park in Vancouver WA for a fun, flat 2.62 mile out and back on a paved trail. Enjoy on site pickup, a swag bag and socks, coffee and snacks, or run virtually anytime.

Memorial Day weekend trail races in Portland's Forest Park featuring a 50K and a trail half marathon. Routes include the Wildwood Trail and benefit the Forest Park Conservancy.