Trail Running Calendar Washington 2026-2027

Trail races at Cougar Mountain Regional Wildland Park near Seattle offering 5k, 7.6 mile, 19.5 mile and 50k courses through forested single track, rolling hills and marshes. Proceeds support King County Parks.

The Grand Ridge Trail Run closes the Evergreen season at Grand Ridge Park near Issaquah with multiple looped courses from 5 miles to 50K, significant elevation gain, stocked aid stations, and a cupless race policy.

Point to point half marathon and 5K on the Klickitat Trail, based at the Youth Center in Klickitat. The medium technical course has aid stations, drop bags, shuttle buses to start locations, and post race chili for registered participants.

A flat, out-and-back trail event in Chehalis with five distances from 5K to 100 miles, packed-gravel surfaces, multiple aid stations, low entry fees, and proceeds supporting the Willapa Hills Trail.

A forested trail run at Carkeek Park in Seattle offering 5k and 10k courses with rolling and steep sections, an aid station at the start, and a youth discount for runners under twenty. Dogs are not allowed on the course.

Trail races at Deception Pass State Park on November 7 and 8 feature 50K and 25K courses that cross the Deception Pass Bridge twice, run mostly on single track trails, and include aid stations and timed cutoffs.

A 50k trail race at Riverside State Park near Spokane, WA, covering 31 miles and about 3,100 feet of elevation gain across singletrack, river views, rocky sections and switchbacks. Crew access is allowed and a Discover Pass is required for..

Experience the autumn beauty of Riverside State Park during this trail event in Nine Mile Falls. Choose from multiple distances including a 25K and a Kids Fun Run while supporting physical therapy students.

Celebrate Veterans 5K in Tacoma, WA is a community run and walk on November 15, 2026 at Pipeline/Orange Gate Park that honors veterans and supports Project Recover. Registration includes chip timing, a commemorative medal, race photos, and..

Ravenna Refresher is a trail run at Ravenna Park in Seattle offering 4k, 8k, and 12k on a 4.1 km loop through forested ravine. The event includes an aid station, a youth discount, and is part of the Winter Trail Series.

A 7 mile single track trail race up Dog Mountain with about 3000 ft of ascent to the summit and a 4 mile descent. Scenic Columbia River and mountain views are part of the course; well behaved dogs are welcome.

Climb 89 is an Everesting-style hill repeat event on Badger Mountain in Richland, WA, featuring a 0.35 mile climb with 292 ft gain per ascent and finisher awards based on completed lap milestones.

Trail run at Redmond Watershed Preserve offering 5 mile and half marathon options on mostly wide, smooth trails. The half marathon repeats a 6.55 mile loop and includes two aid stations; a Winter Wonderland costume contest is part of the ev..

Pigtails Run in Maple Valley WA marks its 20th year with riverside and wooded courses across distances from 50K to a half marathon. The event is low support and volunteer staffed, with variable weather and a strict 2:30pm cutoff.

A roughly 10 km trail run through Squaxin Park in Olympia on December 12, 2026. Start and finish at Reeves Middle School with a holiday aid station, finisher medal and a tree planted for each finisher.

A forested loop at Seward Park offers 4.2 mile and 10k trail options as part of the Winter Trail Series, with an aid station near the start finish and a themed costume contest.

Time-based trail event at Fort Steilacoom Park offering 3 hour, 6 hour, and 8 hour options on a 5 mile loop with 520 feet of gain. Aid station services include food, drinks, and handmade finisher awards.

Trail runs at St. Edward State Park offering 4 mile or 8 mile looped courses along singletrack and shoreline. It is the fifth event in the 2026/27 Winter Trail Series and includes an aid station and parking options.

Trail runs of 5 mile and Half Marathon at Soaring Eagle Regional Park in Sammamish, WA. Courses use technical singletrack and a Pipeline Trail section with aid stations and rolling short hills.

Experience winter trail running on the woodchip and dirt paths of the Big Cross facility in Pasco. Choose between the 2.5 mile or 5 mile distances and receive a specialized runners belt for participating.