Trail Running Calendar Washington 2025-2026

The Beast of Big Creek is a challenging mountain trail running event held at Big Creek Campground near Hoodsport on Washington's Olympic Peninsula. The race features three distances: a 22K (14 miles) Skyrace with over 5,300 feet of vertical gain to the summit of Mount Ellinor, an 8K (5 miles) Forest..

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..

The Bigfoot endurance runs, including the 200 Mile, 40 Mile, and 20 Mile races, take place in the Cascade Mountains of Washington State. The flagship Bigfoot 200 is a challenging 207.9-mile point-to-point race circumnavigating Mount Saint Helens, Mount Hood, and Mount Rainier, featuring over 45,000..

Race the Reserve is a scenic running event held in Coupeville on Whidbey Island, Washington. Scheduled for August 9, 2025, it offers multiple race distances including a 5K, 10K, half marathon, and a virtual race option. The course traverses the picturesque Ebey’s Landing National Historical Reserve,..

The Cougar Mountain Trail Run Series #4 takes place on August 9, 2025, at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. This event offers three race distances: 5k, 14.5 miles, and a full marathon of 26.2 miles. The course features a vari..

Larrabee Lakes is a trail running event held in Bellingham, Washington, starting and finishing at Fairhaven Park. The race offers three distances: 12K, 25K, and 50K, featuring lush green forests, picturesque lakes, and unique geology with narrow ridgelines shaped by the Chuckanut Formation. The cour..

Twilight at the Bay is an exciting running event taking place at Chambers Bay in University Place, Washington. Participants can choose from three race options: a half marathon, a 10k, and a 5k, each offering a unique experience on a beautifully paved loop trail with stunning views of the bay. The co..

The Olympic Mountains Trail Races, held in the Olympic National Forest near Quilcene, Washington, offer challenging trail running events over two days in August. Distances include a 100K ultra with 14,200 feet of elevation gain on mostly single-track trails, a demanding 50K featuring 8,600 feet of c..

The Paradise Valley Trail Run, held at Paradise Valley Conservation Area in Woodinville, Washington, offers runners a scenic experience through gently rolling trails that vary from wide promenades to winding paths through wetland cedar groves and gentle ridges. The event features three distances: 5k..

The Sole Survivor Backyard Ultra in Richland, Washington, is a unique endurance trail running event inspired by Big's Backyard Ultra. Held at 1200 Carrier Rd., runners complete a 4.16-mile loop every hour on the hour, continuing until only one runner remains. The course features a mix of trail and a..

The Goat Rocks 50 Miles 2 Day Stage Run is a challenging trail running event set in the stunning Goat Rocks Wilderness, located between Mt. Rainier and Mt. Adams in Washington State.This two-day stage run covers 50 miles of rugged alpine terrain featuring narrow ridgelines, volcano views, meadows, l..

The Dark Divide Trail Races, held near Randle, Washington, offer a challenging and scenic ultramarathon experience in the rugged Dark Divide Roadless Area of the Central Washington Cascades. The event features multiple distances: a 100-mile race, a new 100K point-to-point course, a 50K, and a 15-mil..

The GOAT Run in Port Angeles, Washington, is a challenging trail running event featuring a 50K, marathon, and half marathon along the Olympic Adventure Trail. The point-to-point course traverses Kelly Ridge between Olympic National Park and the Strait of Juan de Fuca, finishing at the scenic Lake Cr..

Backcountry Rise in Toutle, Washington, is a stunning trail running event set within the Mt. Margaret Backcountry of the Mount St. Helens National Volcanic Monument.The race offers three challenging loop courses: a 50K, a 20-mile, and a half marathon, featuring rugged singletrack trails with signifi..

The Cascade Express Marathon & Half Marathon, scheduled for September 6, 2025, in North Bend, WA, features two scenic races: a 26.2-mile marathon and a 13.1-mile half marathon. Both courses are renowned for their fast, downhill routes, making them ideal for achieving personal records or qualifying f..

The Jump Off Joe Marathon, held near Kennewick, Washington, offers marathon, half marathon, and 10k distances. Now in its 10th year, this low-key, affordable event takes place on gravel roads around Jump Off Joe Mountain, providing a trail-like running experience rather than a typical flat road race..

The Cutthroat Classic is an 11-mile singletrack trail run through the North Cascades in Washington, following the iconic Pacific Crest Trail over Cutthroat Pass. Starting at Rainy Pass (4,870 feet elevation), runners climb steadily for five miles to Cutthroat Pass (6,835 feet), then descend four mil..

The Tartarus Backyard Ultra is a unique endurance event held at Camp 7 in Riverside State Park, Spokane, Washington. It features two separate races: a running race with 4.1667-mile loops and a rucking race with 2.2-mile loops. Participants must complete each loop within an hour, starting a new lap e..

Beat the Blerch is a unique running event featuring a 5K, 10K, half marathon, and full marathon, inspired by a comic from The Oatmeal. Scheduled for September 6, 2025, in Carnation, Washington, the race takes place at Tolt MacDonald Park, offering a scenic flat course through lush forests along the..

The Mt. Spokane Trail Run, held at Mt. Spokane State Park in Mead, Washington, offers runners scenic courses along Spokane's historic mountain.The event features multiple race distances including 5K, 10K, and 25K, as well as a virtual run option. All races start and finish at Selkirk Lodge, providin..