Trail Running calendar near Sammamish 2025-2026

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..

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..

Endless Trails’ Carkeek 12-Hour returns for its 19th edition at Carkeek Park in Seattle, Washington, offering in-person and virtual options. Runners choose between a 12-hour or 6-hour race, looping a 1.93-mile course with about 436 feet of elevation gain per lap, featuring rolling trails, stairs, an..

Cougar Mountain Trail Run Series (October) takes place at Sky Country Trailhead in Bellevue, WA, within King County’s Cougar Mountain Regional Wildland Park. The event offers four distances: 5K, 7.6 miles, 19.5 miles, and 50K. Runners traverse fern-lined single-track through forest and rolling hills..

Hyak Halloween 25K, a Rainshadow Running event, takes place on Snoqualmie Tribe Ancestral Lands at the Hyak Trailhead along the Palouse to Cascades Trail near Snoqualmie Pass, Washington. The 25K course features about 1,800 feet of cumulative elevation gain and a similar descent, with roughly half t..

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 Willapa Trail Festival is a multi-distance trail running event held in Chehalis, Washington, with races from 5K to 100 miles. Runners start and finish at Owl and Olive Cafe, using the flat, fast Willapa Hills State Park Trail along the Chehalis River. Distances offered: 5K, 25K, 50K, 50M, 100M...

Grand Ridge Trail Run, held at Grand Ridge Park near Issaquah, Washington, is the season finale of Evergreen Trail Runs. The event offers multiple distances: 5 Mile, Half Marathon, Marathon, 50K, 5M Brunch Run, and a Kid's Race. The course uses two distinct loops: a 5-mile loop and a Half-Marathon l..

Ravenna Refresher Trail Run, held at Ravenna Park in Seattle, WA, is the second event in Northwest Trail Runs’ Winter Trail Series. Runners can choose from 4k, 8k, or 12k distances, all on the same 4.1 km loop with about 230 feet of elevation per loop. The course winds through groomed forest trails..

Celebrate Veterans 5K in Tacoma, Washington, is a 5K run held at 4256 84th St E, Tacoma WA 98446. The course is a simple out and back on the new Orange Gate/Pipe Trail, and this is the trail's first official event. The atmosphere honors veterans and features patriotic touches, including a patriotic..

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..

2025 Pigtails Run in Maple Valley, Washington marks its 20th year with the event’s Fat Ass vibe. It offers 50K, marathon, and half-marathon distances, starting and finishing at Four Corners in Maple Valley. The course mostly uses paved river trails, with some dirt and gravel, using out-and-back sect..

Seward Solstice Run is a winter trail race held at Seward Park in Seattle, Washington, offering both a 4.2-mile and a 10k option. The event takes place on Saturday, December 20, 2025, with the start near Seward Park and the loop traversing mostly forested trails on a peninsula beside Lake Washington..

Frost Eagle Trail Run is held at Soaring Eagle Regional Park in Sammamish, WA, a 600-acre sanctuary of birds, deer, and wetlands with about 12 miles of trails. The event features 5-mile and half-marathon distances and marks the sixth stop in Northwest Trail Runs’ Winter Trail Series. Runners navigat..