Trail Running Calendar Washington 2025-2026

The Wild Moose Chase is a scenic running event held in Spokane, Washington, featuring distances of 25K, 10K, 5K, and a Kids Fun Run. The course winds through Riverside State Park, starting and finishing near the Seven Mile Trailhead, offering participants beautiful natural surroundings. Runners rece..

The Chamna Chase is a scenic running event held in the Chamna Natural Preserve in Richland, Washington. It offers three race distances: a half marathon, 10K, and 6K, catering to various levels of runners. The half marathon features a double out-and-back route with a loop, while the 10K follows part..

The Cougar Mountain Trail Run is an annual trail running event held at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. The race offers multiple distances including 5k, 7.6 miles, 19.5 miles, and 50 kilometers, catering to a range of trail..

The Carkeek 12-Hour is a challenging trail running event held annually at Carkeek Park in Seattle, Washington. Celebrating its 19th edition in 2025, the race offers both 12-hour and 6-hour options on a 1.93-mile loop course featuring 436 feet of elevation gain per lap, including rolling trails and s..

Salt Creek 24 is a unique 24-hour running event held at Salt Creek Recreation Area in Port Angeles, Washington, offering stunning views of the Strait of Juan de Fuca, lush evergreens, and historic World War II sites. Participants can choose between a solo or relay 24-hour race on a 1.3-mile loop com..

The West Seattle Monster Dash is an annual running event that features a 5K run/walk, a Kids Monster Dash, and an option to register for a t-shirt only. This family-friendly event encourages participants to dress in costumes and includes a Kids Zone with games and activities. The race takes place at..

The Grand Ridge Trail Run, held at Grand Ridge Regional Park in Issaquah, Washington, is the final race of the Evergreen Trail Runs season. It offers multiple distance options including 5-mile, half-marathon, full marathon, and 50K, catering to a wide range of runners. The course features two distin..

The Ruff is a challenging 7-mile trail race held at Dog Mountain Trailhead in Carson, Washington, within the scenic Columbia River Gorge National Scenic Area. The course features a steep 3-mile, 3,000-foot ascent to Dog Mountain's summit, followed by a 4-mile downhill run on single-track trails, off..

Climb 89 is an Everesting Run Challenge held at Badger Mountain Westgate Trailhead in Richland, Washington. The event features a 0.35-mile one-way course with an 89-meter (292 feet) elevation gain per lap. Participants aim to complete multiple laps to match the elevation of famous peaks, with 100 la..

The Pigtails Run, known as the "Flat" Fat Ass, is a celebrated annual running event held in Maple Valley, Washington. Marking its 20th year in 2025, the race offers multiple distances including a 50K, marathon, and half marathon. The course features a scenic route along the river and through wooded..

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 is designed as a fun celebration, inviting..

The Deception Pass 50K and 25K races take place at Deception Pass State Park in Oak Harbor, Washington, known for its rugged coastline, steep cliffs, dense forests, and stunning views. The courses traverse nearly the entire park, including two crossings of the historic Deception Pass Bridge, which i..

The Langlauf 10K Cross Country Ski Race is a celebrated event taking place at the Mount Spokane Nordic Ski Center, known as the premier cross-country ski area in the Inland Northwest. Scheduled for January 25, 2026, this race marks its 45th year, attracting participants of all skill levels with wave..

The Little Backyard Adventure (LBA) is a trail running event held at L.B.A. Park in Olympia, Washington. Featuring 3, 6, and 12-hour endurance runs, the race challenges participants to complete as many ~4-mile loops as possible on a twisting, technical single-track course through the lush, forested..

The Sunflower Relay, Half Marathon, and Full Trail Marathon take place in the scenic Methow Valley, offering runners a unique experience through vibrant wildflower fields, including exclusive access to private sunflower meadows between Mazama and Twisp. Participants can run individually in the half..

Leavenworth Trail Fest, held in Leavenworth, Washington, offers a scenic mountain running experience featuring multiple race distances: the challenging Ski Hill 55k ultra, the fast Leavenworth Skyline 27k, and a family-friendly Town 5k. The 27k course ascends 3,800 feet, showcasing stunning views of..