Trail Running Calendar Washington 2025-2026

The Yeti 100 Mile Endurance Run in Washington is a challenging ultra-running event held at the Hyak Trailhead along the Palouse to Cascades Trail. Offering 100-mile, 100K, and 50-mile distances, the race features a runner-friendly out-and-back course with a total elevation gain of 4,000 feet and a m..

The Bigfoot Fun Run in Yacolt, Washington, is an annual event held as part of the Town of Yacolt's Rendezvous Days weekend. It features 5K and 10K run or walk options, welcoming participants of all ages and abilities. The event takes place at 202 W.Cushman Street and offers a festive atmosphere tied..

The Tiger Peak Challenge is a demanding trail running event held near Issaquah, Washington, within the 13,745-acre Tiger Mountain State Forest. Scheduled for June 28, 2025, it offers three main race distances: a 5-mile run with 600 feet of elevation gain, a half marathon featuring 4,000 feet of clim..

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..

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 wide, rolling North-South Trail to Rose Springs SnoPark, making it ideal for bot..

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, Washington, offers a scenic and challenging trail running experience at Mt. Spokane State Park. Featuring distances of 5K, 10K, 25K, and a new 35K "Grand Tour," the event takes runners through rolling Nordic ski trails with pine forests and minor peaks, providin..

The Olympia Tower Challenge is a unique urban adventure run held in Olympia, Washington, where participants have 10 hours to visit as many of twelve designated water towers as possible. Starting and finishing at 420 Steele St SE, runners plan their own routes, navigating the city while adhering to r..

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 race takes participants through picturesque trails in Bigfoot's backyard. The event emphasizes environmental responsibility by eliminating disp..

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 half marathon, 50-mile, and 100-mile races, plus a kids race. The course showcases the high desert landscape with rugged gulches, rock hoodoos, and scenic views from summits like Mission Peak and Mt. Lillia..

Kill Bill’s Oyster Dome Challenge is a challenging trail running event held on Blanchard Mountain near Alger, 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..

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: 3 miles, 7 miles, and an 11-mile course, which follows the same route as..

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..

Cascade Crest is a renowned 100-mile trail running event held in Easton, Washington, known for its challenging course and vibrant atmosphere. 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 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 13.1-mile half marathon course that starts at the summit and descends through forested trails, alpine meadows, and ridgelines with stunning..

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 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 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..