Trail Running Calendar Washington 2025-2026

The Ancient Lakes Trail Run is an exciting trail running event set in the stunning landscapes of Quincy, Washington, scheduled for April 5-6, 2025. Participants can choose from various distances, including 50M, 50K, 25K, and 10K, with races held on both Saturday and Sunday. The course features sceni..

The Walla Walla 6 Hour is a unique trail running event taking place in Walla Walla, Washington, designed to celebrate female camaraderie within the trail running community. Scheduled for April 12, 2025, this event features a 6-hour race on the scenic Whitetail Trail, which encompasses a 5-mile loop..

The Loop the Lookout Trail Run, taking place at Pinnacle Peak Park in Enumclaw, WA, features a variety of race distances including 5k, 10k, and 15k, along with a free 0.8-mile kids' run. This event is part of the Goat Series, known for its challenging hilly courses, providing an excellent opportunit..

The Cottontail 6 & 12 Hour event, taking place in Seattle's Carkeek Park, offers participants a unique running experience on a scenic 1.93-mile loop. Scheduled for April 12, 2025, this event allows runners to choose between a 6-hour or 12-hour challenge, with the option to complete as many laps as t..

The OAT Run is an exciting trail running event held in Port Angeles, Washington, featuring a variety of distances including a 12K, half marathon, and a 50K. Set against the stunning backdrop of the Olympic National Park, participants will traverse lush forests and enjoy breathtaking views of the Elw..

Run With the Goats is an annual 50K trail running event held in Kennewick, WA, featuring three unique divisions: "Beers," "Lights," and "Sobers." Participants in the "Beers" and "Lights" categories must consume a beer before each lap, while "Sobers" drink a non-alcoholic beverage. The race consists..

The Squak Mountain Trail Run is an exciting running event held at Squak Mountain State Park near Issaquah, Washington. Participants can choose from various distances, including a 12K, half marathon, and 50K, all featuring well-maintained trails and stunning views of the surrounding mountains. The ev..

Last Fool Standing is an exciting annual running event taking place in Poulsbo, WA, featuring various endurance formats over a weekend. Participants can choose from a 48-hour endurance challenge, a 24-hour event, or 12-hour sessions, all set on a scenic 5K+ trail loop in the lush Pacific Northwest f..

The Sunflower Relay, Half Marathon, and Full Marathon is a unique running event set in the picturesque Methow Valley, featuring stunning wildflower fields. Participants can choose to run individually in the half or full marathon or form a relay team of 2-5 members. The course includes exclusive acce..

The Leavenworth Firefighter Challenge is an exciting endurance event set in Leavenworth, Washington, featuring a challenging 10k course that ascends 1,665 vertical feet through rugged National Forest terrain. Participants can choose from three events: Probie, Arduous, and Sawyer, each designed to te..

Capitol Peak is an exciting running event taking place in Capitol Forest, Olympia, WA, featuring a 50-mile ultra and a 25K trail race. Celebrating its 17th year, the event promises stunning views and challenging terrain on rugged singletrack trails. Participants can enjoy post-race food, including p..

The Twilight 12 Hour is a unique night running event held at Flying Horseshoe Ranch in Cle Elum, WA. Originating from a casual night run in Utah, this event encourages participants to run a 2.3-mile loop under the stars for 12 hours, fostering a sense of community among trail runners. It is not a co..

Running Up For Air - Tiger Mountain is an endurance running event taking place in Issaquah, Washington, designed to raise awareness about air quality issues. Participants can choose from various challenges, including 12-hour, 6-hour, and 3-hour races, all set against the stunning backdrop of Tiger M..

The Run Like The Wind Trail Running Festival is an exciting event set in the scenic backdrop of Ellensburg, Washington. Participants can choose from a challenging 5K, a 10K, or a free kids dash, all featuring stunning views of Mt. Rainier and the Columbia River.The festival, organized in collaborati..

The Spokane River Run 2025 is set to take place at Riverside State Park in Nine Mile Falls, WA. This popular event features a variety of race options, including a 5K, 10K, 25K, 50K, and new for this year, a 25K Tag Team relay. Participants can enjoy race shirts, finisher medals for longer distances,..

The SW Fire on the Mountain is a scenic half marathon taking place in Husum, WA, as part of the White Salmon Wildflower Festival. This point-to-point trail race features breathtaking views of the White Salmon River Valley and the Columbia River Gorge. Participants will start at the Husum Fire Statio..

The Sun Lakes Trail Run, organized by Northwest Trail Runs, is set to take place at Sun Lakes-Dry Falls State Park in Coulee City, WA, on May 4, 2025. This event features various race distances, including 7-mile, 14-mile, and 21-mile options, as well as a team relay. Participants can enjoy a weekend..

The Mt Si Relay & Trail Runs is an exciting running event taking place on May 4, 2025, in Snoqualmie, WA. Participants can choose from various distances, including a 50-mile ultra, 50K, marathon, half marathon, and relay options. The course primarily follows the scenic Snoqualmie Valley Trail and Jo..

Tiger Claw is an exhilarating trail running event taking place in Issaquah, WA, featuring challenging courses that test the limits of even the most seasoned runners. Participants can choose from three different climbs and a common descent, with the option to complete the 50k or the more demanding 50..

The Cougar Mountain Trail Run Series, organized by the Seattle Running Club and Northwest Trail Runs, features a variety of trail running events in King County's Cougar Mountain Regional Wildland Park. Scheduled for May 10, 2025, participants can choose between a 5.1-mile and a 10.8-mile race. This..