Trail Running Calendar Washington 2025-2026

The Blue Mountain Bash is a 5K trail race held in the scenic Blue Mountains of southeast Washington, within the Umatilla National Forest near Pomeroy. The out-and-back course starts at Boundary Trailhead and follows the North-South Trail to Rose Springs SnoPark, featuring a wide, rolling terrain ide..

The Bigfoot Fun Run, held in Yacolt, WA, is an annual event that celebrates the Fourth of July with a weekend of racing activities. Participants can choose between a 5K and a 10K run or walk, making it accessible for various fitness levels. This event is part of the town's Rendezvous Days festivitie..

The SISU 24 Ultra PNW is a unique endurance event held at Camp Sheppard near Enumclaw, Washington, in the scenic Cascade Mountains close to Mount Rainier National Park. Participants can choose from a 24-hour solo or team adventure, or tackle the challenging 100-mile race with a 32-hour cutoff and ov..

Hellz Bellz Ultra is a challenging 50-mile trail race held in Yacolt, Washington, starting at Yacolt Recreation Park. The course features a tough climb up Bells Mountain, multiple clear cuts, stream crossings, and stunning views of Mt. St.Helens. Around mile 10, runners reach the Yacolt Burn Aid Sta..

The Mountain Magic Trail Run in Mead, WA, held at Mt. Spokane State Park, offers a scenic and challenging trail running experience with distances of 5K, 10K, 25K, and a new 35K Grand Tour. The courses feature rolling Nordic ski trails through pine forests, with some elevation gain including minor pe..

The Seward Sizzler Trail Run is a scenic trail running event held at Seward Park in Seattle, Washington. Set on a peninsula surrounded by Lake Washington, the course features a loop mostly through old-growth forest, known as “The Magnificent Forest,” with towering Western Red Cedars and Douglas Firs..

Running with BigFoot 8K is an annual trail running event held at Mud Mountain Dam in Enumclaw, Washington. Now in its 6th year, this challenging 8-kilometer course offers a scenic trail experience in Bigfoot's backyard. The event emphasizes environmental responsibility by eliminating disposable cups..

Kill Bill’s Oyster Dome Challenge is a challenging trail running event held at Lower Blanchard Mountain, Washington. Participants can choose between a 25k or a 50k race, with the 50k consisting of two loops of the 25k course. The course features steep climbs, including the notorious "Kill Bill Hill,..

The Cougar Mountain Trail Run Series #3 is a trail running event held at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. Scheduled for July 12, 2025, the race offers three distance options: 5k, 10.8 miles, and 19.5 miles. The course featur..

Devil's Gulch is a challenging trail running event held in Wenatchee, Washington, featuring a 100-mile ultra, a 50-mile race, a half marathon, and a kids race. The course showcases the hot, dry high desert terrain with dramatic gulches, rock hoodoos, and stunning 360° views from summits like Mission..

The Get Lost Trail Race, held annually at Lost Lake near Tonasket, Washington, is a scenic trail running event supporting the Okanogan Highlands Alliance, a local environmental group. The 7th annual race offers three distances: 11 miles, 7 miles, and 3 miles, welcoming runners and walkers of all lev..

Grey Rock Trail Runs, held near Yakima, Washington, offers challenging summer trail races in the Cascade Mountains. The event features two distances: a rugged 25K with over 3,500 feet of elevation gain and a shorter 12K option following the same route. Both races start at Tree Phones Campground in t..

The Mount Rainier Half Marathon & Trail Events take place at Crystal Mountain Resort near Enumclaw, Washington, in the Cascade Range. This scenic race offers a challenging 13.1-mile course through diverse terrain including towering evergreen forests, alpine meadows, ridgelines, and mountain lakes, a..

Cascade Crest is a renowned 100-mile trail running event held in Easton, Washington. Known for its challenging course, the race features over 23,000 feet of elevation gain and includes about 32 miles along the scenic Pacific Crest Trail. A unique highlight is running through the 2.3-mile Snoqualmie..

The Three Corner Rock PCT 50K is a point-to-point trail race along the iconic Pacific Crest Trail, running from the South Washington Cascades to the Columbia River Gorge. Organized by Wonderland Running, this 50-kilometer race features a scenic detour to Three Corner Rock, offering stunning 360-degr..

The Three Corner Rock PCT Trail Races, held near Carson, Washington, offer two stunning point-to-point trail runs along the Pacific Crest Trail from the South Washington Cascades to the Columbia River Gorge. The event features a classic 50K race starting at Whistle Punk Trailhead and a new, challeng..

The Summer Eddy Trail Run, part of the Tuesday Night Trail to Grill series, takes place at St. Edward State Park in Kenmore, Washington. Offering 4-mile and 8-mile distances, the course features a mix of wide trails and twisting single track with swooping turns, moderate roots, and rocks, providing..

Dirt Circus - Seattle is a free community trail running event held in Seattle, Washington, celebrating local races, run clubs, and running culture. Organized by UltraSignup, this one-day festival features a social group run with options of 4 or 6.5 miles, followed by a lively expo at Seven Hills Run..

Camp Lug-A-Chug is a unique volunteer event held near Cougar, Washington, at Marble Mountain Sno Park. Participants carry water uphill to remote aid stations for a race, hiking approximately 9 miles roundtrip each day over a weekend. The event is known for its challenging physical activity, camarade..

The Hamster Endurance Runs is a multi-distance trail race held annually at Lake Padden, featuring 6, 12, 24, and 32-hour events. Created in 2013, the race raises funds for local organizations, with proceeds supporting the Whatcom Family YMCA's Girls on The Run program. Runners traverse a well-marked..