Trail Running calendar near Snoqualmie Pass 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.

Trail races at Lord Hill Regional Park in Snohomish on February 21, 2026 include 5K, 10M, 20M, 50K, brunch runs and a kids race on marked, rocky and muddy single-track trails with aid stations and shuttle-supported parking.

Trail races of 5K, 10K and half marathon take place on forest trails at Night Owl Landing in Kingston. Packed dirt and some gravel, hydration after each loop, awards for top three in male, female and non binary categories.

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.

Tackle rolling, rooty trails at Lord Hill Park on March 14 for the Pie High Trail Run, offering 5K, 10K and half marathon distances. Expect big climbs, mossy forest views and a rugged, rewarding trail experience for all levels.

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..

Spring Run For Fun invites trail runners to scenic Bridle Trails State Park in Kirkland, WA with 5 km, 10 km, half marathon, and marathon options on a rolling looped course. Enjoy forest trails, friendly aid stations, and on-site registrati..

Join the Whitehorse Oso Strong Half Marathon in Arlington on March 28, 2026. This community centered 13.1 miles through the Fortson Mill area honors resilience and remembrance while offering a welcoming atmosphere for runners and walkers.

Run the flat, fast Boston-qualifier course at the Redmond City Marathon. The out-and-back route starts at Sixty Acres Park and travels along the Sammamish River Trail. Finishers get clam chowder, and there's a pre race pasta dinner included..

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.

April 11 to 12, 2026 trail races in Quincy WA on looped single track through the Ancient Lakes area. Multiple distances, central aid station use, mandatory personal hydration, and finisher medals or buckles.

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.

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..