Trail Running Calendar Washington 2026-2027

We have found 134 Trailruns in Washington. Check below where and when you can find the races.

Explore the lush singletrack and mountain vistas of Mt. Spokane State Park. Choose from several trail distances starting at Selkirk Lodge for a true alpine adventure.

Run through the historic Snoqualmie Tunnel on a fast, downhill course built for speed. This USATF certified marathon is a renowned Boston qualifier, set against stunning Pacific Northwest scenery. Registration includes shuttle service, prof..

Experience a 7.9 mile mountain race at Crystal Mountain featuring a 2614 foot vertical gain. Runners reach a high point of 6861 feet at Grubstake while enjoying views of Mt Rainier and the Cascade Range.

The Plain Endurance Runs are remote, self-supported races on Forest Service trails in the Cascade mountains. Distances include a 100K and a 100-mile event with significant elevation change. It is a non-profit event supporting local Search a..

A 70 mile, 12 leg trail relay at Moran State Park on Orcas Island for teams of two to six. The course crosses forests, lakeshores and the 2399 foot summit of Mount Constitution with varied uphill and downhill legs over two days.

Ultra Fest offers fast, scenic gravel trail races from 25k to 100 miles in Easton, Washington. Runners enjoy lake and mountain views on an out-and-back course. The event provides on-site parking, crew access, and aid stations for a well-sup..

A themed 5K on September 19, 2026 at Magnuson Park in Seattle that invites participants to walk or run in costume. The trail route includes mild inclines and mixed surfaces and welcomes leashed dogs and suitable strollers.

The Fidalgo Trail Run on September 26, 2026, offers scenic trail distances including a 5-mile, half, and full marathon on Washington's Fidalgo Island. The course features ocean views from Rosario Head and a crossing of the iconic Deception..

October 2026

The North Bend Trail Fest is a two-day celebration of mountain running and outdoor adventure in Washington. Runners can tackle the challenging Skyline 30k, a vertical kilometer race up Mt Si, or a scenic 10k. The event also features a festi..

A 50k trail run along the east shore of Baker Lake in October featuring single track, suspension bridge crossings, about 3400 feet of uphill gain, limited water only aid stations on the remote trail, and camping at Kulshan Campground.

This point-to-point 25k trail run follows the scenic eastern shore of Baker Lake. Runners are bused to the start to experience old-growth forests and views of Mt. Baker. The autumn setting features unique flora along the route.

Mad Meadows 50 offers a high-elevation trail run through golden larch forests near Leavenworth. The 50k and 50-mile courses feature technical single track and expansive alpine views. It takes place in October, with a cupless race format and..

The River Ridge Ultra in Spokane's Riverside State Park features 30-mile and 9-mile trail runs and a ruck. With a scenic loop course, aid stations, and a 10-hour limit, it's a test of holistic strength. Runners must be self-sufficient and c..

Experience the lush forests and rugged mountain beauty of the Snoqualmie River valley. This trail event offers four distances from 10k to 50k on scenic river valley paths with modest climbing.

Two trail races at Coyote Wall across varied Gorge terrain, with **55K** and **25K** options, steep technical climbs, organized aid stations, and community fundraising for local organizations.

Run through the scenic Chamna Natural Preserve in this Halloween-themed event. Choose from a 6K, 10K, or half marathon on mixed dirt and paved trails. Costumes are encouraged for a chance to win prizes.

Join this unique Halloween themed relay scramble in Black Diamond. Form a team to track down rogue ghosts and return them to Civic Park in a race that combines running with a scavenger hunt.

November 2026

Experience the lush forests of the Cascade foothills at the Grand Ridge Trail Run. Choose from distances ranging from a 5 miler to a 50K on a scenic and technical course near Issaquah.

The Klickitat Trail Run is a scenic fundraiser on the Klickitat Trail in Washington. Races include a half marathon and a 5K, with shuttles to the start. Every runner gets a bowl of famous post-run soup.

Run on the famously flat and fast Willapa Hills Trail in Washington. This festival offers distances from a 5K to a 100-mile ultramarathon, with a scenic route along an old rail grade. It's a community-focused event with modest entry fees su..