Trail Running calendar near Maple Valley 2025-2026

The Middle Fork Trail Run, held in North Bend, Washington, offers trail races of 50k, 22 miles, half marathon, and 10k distances. Starting at the Middle Fork Trailhead, the courses traverse scenic trails including Middle Fork, CCC, and Snoqualmie Lake, featuring modest climbs along river valleys. Ru..

The Orca Recovery Day 5K Trail Run is an annual event held at Clark's Creek Park South in Puyallup, Washington. This trail run/walk covers a 5-kilometer course that is mild to moderately challenging, offering participants a chance to enjoy nature while learning about orca conservation and salmon res..

The North Bend Skyline 30K is a challenging trail running event held in the scenic Snoqualmie Valley near North Bend, Washington. As part of the Vert Running Series Championship, it features a demanding course that tests runners' limits while offering stunning views of the valley and Cascade Mountai..

Run With The Kokanee is a fall running event held at Lake Sammamish State Park in Issaquah, Washington. It features flat and fast 5k and 10k distances, with the 10k consisting of two loops of the 5k course. The route is about two-thirds paved sidewalks and paths, and one-third dirt or grassy trails,..

The West Seattle Monster Dash is an annual costumed 5K trail run/walk held at Lincoln Park in Seattle, WA. The 14th edition takes place in October 2025 and features a 5K Run/Walk, a Kids Monster Dash for children 12 and under, and a "Just a Shirt!" option. Participants receive a t-shirt with the ico..

Carkeek 12-Hour is Endless Trails’ annual trail ultramarathon at Carkeek Park in Seattle, Washington, offering both in-person and virtual options. The race unfolds on a 1.93-mile loop with about 436 feet of elevation gain per lap, featuring stairs and varied terrain with Puget Sound views. Participa..

The Cougar Mountain Trail Run, held at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, offers a scenic trail running experience just 15 minutes from Seattle. The event features multiple race distances: 5k, 7.6 miles, 19.5 miles, and 50 kilometers, with elevation gains..

The Hyak Halloween 25K is a trail running event held at Snoqualmie Pass, Washington, on the ancestral lands of the Snoqualmie Tribe. The 25-kilometer course features a unique and spooky experience by running through the 2.25-mile-long, 110-year-old Snoqualmie Tunnel twice, just before it closes for..

The Scarin' Up Some Fun 5k Glow Run/Walk is a spooky evening trail event held at Northern State Recreation Area in Sedro Woolley, Washington. Participants embark on a 5k route around barns and buildings, experiencing a fun yet eerie atmosphere with potential hazards along the trail, making it suitab..

The Grand Ridge Trail Run, held at Grand Ridge Regional Park in Issaquah, Washington, is the final race of the Evergreen Trail Runs season. It offers multiple distance options including 5-mile, half-marathon, full marathon, and 50K, catering to a wide range of runners. The course features two distin..

The Pigtails Run, held in Maple Valley, Washington, celebrates its 20th year in 2025 with a festive atmosphere and a challenging course along the river and through wooded trails. The event offers multiple distances: a 50K, marathon, and half marathon, with an emphasis on self-sufficiency and camarad..

Saturnalia is a winter trail running event held at Squaxin Park in Olympia, Washington. Featuring a 10K distance, it offers participants a festive holiday atmosphere amid the challenges of winter trails, darkness, and variable weather conditions. The event celebrates the season with a fun and spirit..

Deception Pass 50K/25K, hosted by Rainshadow Running, is staged at Deception Pass State Park near Oak Harbor, WA. The event offers a 50K (≈4,300 ft gain/loss) and a 25K (≈3,000 ft), both starting at the West Point Amphitheater. Runners traverse paved park roads and rugged single-track trails through..

Lord Hill Trail Run, held at Lord Hill Park in Snohomish, Washington, opens the Evergreen running season. The regional park, with over 1,300 acres of wilderness in the Cascade foothills, hosts six distances: 50K, 20 Miler, 10 Miler, 10-mile Brunch Run, 5K Brunch Run, and a Kids Race. The course begi..

Little Backyard Adventure in L.B.A. Park, Olympia, Washington, offers 3-, 6-, and 12-hour endurance runs on a ~4-mile loop with ~200 feet of gain. The course winds through a largely single-track forest, with fern-covered canopies and technical twists that test footing. Runners complete as many laps..

Dash Point Trail Run takes place at Dash Point State Park in Federal Way, Washington. The event offers a Half Marathon (13.1 miles), a 10K, a 10K Brunch Run, and a Kids Race. The course winds through lush forests and mossy ferns and runs along Puget Sound’s sandy shoreline.The 10K is a single loop,..

The Leavenworth Firefighter Challenge is a rugged running event held at the Leavenworth Ski Hill in Leavenworth, Washington, on April 25, 2026. It features three race options—Probie, Arduous, and Sawyer—and climbs about 1,665 vertical feet over roughly 6.2 miles (a 10K) through National Forest terra..

Twilight 12 Hour is a community trail-running event held at Flying Horseshoe Ranch in Cle Elum, Washington. The format centers on a 2.3-mile loop through diverse terrain, including single-track trails, ravines, a creek crossing, and a gravel descent that closes the loop. It’s described as not a race..

Leavenworth Trail Fest, held in Leavenworth, Washington, is a mountain running event featuring multiple race distances including the Ski Hill 55k, Leavenworth Skyline 27k, and a Town 5k. The 27k course offers 3,800 feet of vertical gain, showcasing scenic views of the Cascade Mountains and Eastern C..

Vashon Island Ultramarathon & Trail Run takes place on Vashon Island, Washington, offering 50K, 20-mile, and 10-mile options from the Gateway Trail system near SW 178th and 103rd SW. The rolling course is mostly single- and double-track trails with dirt roads and grassy shoulders, about 770 feet of..