Trail Running calendar near Issaquah 2025-2026

The Return of the Salmon Celebration - Salmon Run is held at Osprey Park in Sultan, Washington, celebrating the cultural heritage of the Skykomish River Valley and honoring Chief T'seul-Ted. The event features a scenic 5K trail run through the beautiful forest trails of Osprey Park and Susie's Trail..

The Fidalgo Trail Run is scheduled for September 27, 2025 in Deception Pass State Park, with the start and finish at Bowman Bay (4402 Bowman Bay Rd, Anacortes, WA). Event distances include: 5 Mile Half Marathon Full Marathon Kid’s Race (about 0.6 miles, along the beach at Bowman Bay) Participants..

Mother RUCKer - 10K RUCK CHALLENGE is held in Eatonville, Washington, at Bud Blancher Trail Head (480 Weyerhaeuser Rd S). The event features a 10K ruck on a trail course, with participants including ruckers, walkers, and dogs; kids 12 and under are free. The atmosphere is community-driven and outdoo..

The Baker Lake Classic 25k is a scenic trail running event held in Concrete, Washington, along the eastern shoreline of Baker Lake within the Mt. Baker-Snoqualmie National Forest. Covering 15.6 miles, the point-to-point course features rolling terrain with about 3,400 feet of elevation change, passi..

The Golden 6 Hour is a scenic endurance running event held in Cle Elum, Washington, featuring a 2.45-mile single-track loop on the Swauk Forest Discovery Trail near Blewett Pass. Set amidst vibrant fall colors and turning larches, the course offers mountain views and a festive autumn atmosphere. Par..

The North Bend Trail Fest, held in North Bend, Washington, is a dynamic mountain running event showcasing the Snoqualmie Valley's outdoor offerings. The festival features multiple races, including the challenging North Bend Skyline 30k with 6,600 feet of vertical gain, the intense Mt Si Vertical Kil..

Middle Fork Trail Run, held near North Bend, Washington, starts at the Middle Fork Trailhead and takes participants onto the Middle Fork, CCC, and Snoqualmie Lake trails. Runners choose from four distances: 50k, 22-mile, Half Marathon, and 10k. The courses follow river valleys with modest climbing a..

Orca Recovery Day 5K Trail Run is a community event held at Clark's Creek Park South in Puyallup, WA, now in its 3rd annual edition. It offers a 5K trail course described as mild to moderately challenging, blending fitness with conservation education as participants learn about Orca recovery and sal..

The 4th Annual Fall Classic takes place on Saturday October 11, 2025, at PLU Meadows Disc Golf Course, 754 124th St S, Tacoma, WA 98444. The race offers 1K Kids run and a 5K for participants, with youth and high school cross country races following. The course is described as mostly flat with a few..

Mad Meadows 50 is a new Evergreen Trail Runs event on October 11, 2025 near Leavenworth, Washington. The event is staged from Grouse Creek Group Campground on Chiwawa River Road and takes place on USFS lands in the Eastern Cascades. The organizer notes prominent larch stands and views toward the En..

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 scheduled for Saturday, October 18, 2025, at Lake Sammamish State Park in Issaquah, WA. The event offers the following distances: 5k 10k (two laps of the 5k loop) Entry fees vary by registration period, online pre-registration closes on October 16, and day-of registration..

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..

The Carkeek 12-Hour is scheduled as an in-person event on October 25, 2025, with a virtual option available October 1-31, 2025. The event takes place at Carkeek Park in Seattle, Washington (950 North West Carkeek Park Road). Registration is capped for this event series at 50 runners. Proceeds and d..

The Cougar Mountain Trail Run Series (October) is scheduled for October 25, 2025, at Sky Country Trailhead in Bellevue, Washington, within King County’s Cougar Mountain Regional Wildland Park. The series is organized by Seattle Running Club and Northwest Trail Runs. Distances offered on the October..

Salt Creek 24 is an all-day, all-night endurance event held at Salt Creek Recreation Area in Port Angeles, Washington. It offers three options: a 24-hour race around a 1.3-mile loop, a Relay Team format, and a Last Runner Standing challenge that summits Striped Peak (~3.75 miles with about 1,000 ft..

Scarin' Up Some Fun 5k Glow Run/Walk is held in Sedro-Woolley, Washington at the Northern State Recreation Area. The event features a 5-kilometer trail route winding through trails, barns and surrounding buildings. It creates a spooky, glow-themed evening atmosphere, with participants encouraged to..

ScaryAss 25K/14K/4K is a low-key trail race in Olympia, Washington, starting and finishing at Fall Creek Day Use Area in Capitol Forest. Organizers offer three distances: a grueling 25K to Capitol Peak and back, a scenic 14K loop, and a family-friendly 4K along mountain-bike trails. The 25K features..

The Hyak Halloween 25K is a trail run on October 25, 2025 at Snoqualmie Pass, WA, held on Snoqualmie Tribe Ancestral Lands. The event distance is 25K with 1,800 feet of elevation gain and the same elevation loss. Organizers co-direct the event with Tierra Libre Run and offer the First Strides Schol..

The event takes place on Saturday, November 1, 2025, at Carkeek Park in Seattle, Washington. Distances offered: 5k 10k The run is part of the 2025-26 Winter Trail Series. The course starts and finishes in the Lower Meadow next to Piper’s Creek. The route is mostly in forest (about 85%) with a mi..