Trail Running calendar near Sammamish 2025-2026

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 u..

Baker Lake 50k : Oct 4, 2025, Kulshan Campground, Baker Lake, WA The event is a 50K trail run (listed as 31.2 miles) held on October 4, 2025 at Kulshan Campground on Baker Lake in the Mt Baker-Snoqualmie National Forest. Entry fee and shirt..

Event overview The Baker Lake Classic is a point-to-point trail run held October 5, 2025, at Baker Lake near Concrete, Washington. The event distance is 25k (15.6 miles). Entry fee and shirt prices are published; registration closes October..

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..

Spend six hours on a scenic 2.45 mile loop near Blewett Pass at the Golden 6 Hour in Cle Elum. Enjoy potluck aid, raffles and awards for the top loop count and the runner with the most golden spirit.

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 f..

Mad Meadows 50 near Leavenworth WA October 11 2025 serves up rugged alpine trail running with 50K and 50 Mile options across meadows, talus slopes and old growth larch. Expect long climbs, technical terrain and scenic singletrack.

North Bend Trail Fest Oct 11 and 12, 2025 packs Mt Si VK, the Skyline 30k championship and Little Si 10k into a weekend of steep trails and big views. Race for vert, community and festival fun.

Event overview The Orca Recovery Day 5K Trail Run is the 3rd annual Orca Recovery and Salmon Restoration event. It takes place on October 11, 2025, at Clark's Creek Park South, 1710 12th Ave SW, Puyallup, WA 98371. The event combines a trai..

North Bend Trail Fest in the Snoqualmie Valley is a two day celebration of mountain adventure featuring a Vertical Kilometer, Skyline 30k and Little Si 10k. Join an outdoor expo, clinics and family friendly activities.

Event overview 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 peri..

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..

Get ready for the 19th annual Carkeek 12 hour and 6 hour at Seattle's Carkeek Park on Oct 25. Tackle a punchy 1.93 mile loop with plenty of stairs, enjoy festive Halloween costumes and support trails with every lap.

Hyak Halloween 25K : overview 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 los..

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 fam..

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..

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..

Event overview 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 Seatt..

Carkeek Cooler Trail Run 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. Course and aid The course starts and finis..

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..