Trail Running Calendar Washington 2025-2026

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 Capitol Peak event, held in Olympia, Washington, features a 50-mile ultramarathon and a 25K trail race, both starting and ending at the Falls Creek Trailhead in Capitol Forest. The 50-mile race begins at 6:00 AM, with a 14-hour cutoff, while the 25K starts at 9:00 AM. The course includes rugged..

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..

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..

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 Chum Run 5k is a trail running event organized by Northwest Trail Runs, taking place at Fort Casey, Washington. The event promotes outdoor activity and community engagement through a scenic trail course. Participants can register online, with registration closing shortly before the event.The eve..

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 Mt Si Relay & Trail Runs is a popular running event taking place on May 4, 2025, in Snoqualmie, WA. This event features various race distances, including a 50-mile ultra, 50K, marathon, and half marathon, catering to both novice and experienced runners. The course primarily follows the scenic Sn..

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 Tiger Claw is a challenging trail running event held in Issaquah, Washington, on May 9-10, 2025. It features multiple race options, including the 50k, the Ascent, and the Big Cat, with the latter combining both the ascent and 50k races. The course traverses rugged Pacific Northwest terrain on Ti..

The PRR Summer Series 10k at Rose Creek is a scenic race held near Albion, Washington, at the Rose Creek Nature Preserve. Participants complete a 10-kilometer loop on gravel roads through beautiful natural surroundings. The event is part of the Palouse Road Runners' summer race series, which feature..

The Trillium Trail Run, organized by the Bainbridge Island Parks & Trails Foundation, is a premier spring running event taking place at Battle Point Park. Participants can choose from a scenic 10K or 5K trail run, as well as a Kids Fun Run, all set amidst the beautiful wooded landscapes of Bainbridg..

The Cougar Mountain Trail Run Series, organized by the Seattle Running Club and Northwest Trail Runs, takes place in King County's Cougar Mountain Regional Wildland Park. The event features various distances, including 5.1 miles and 10.8 miles, with additional series options throughout the summer. P..

The Wilbur Wild Goose Chase is a family-friendly 5K fun run taking place in Wilbur, WA. Participants can walk, run, or push strollers, with no cutoff time for completion. The event encourages community involvement, featuring festivities after the race as part of the Wild Bill Goose Days celebration...

The Dirty Turtle 25/50K is a challenging trail running event scheduled for May 17, 2025, at Green Mountain Horse Camp in Bremerton, WA. The course features 75% singletrack trails and 25% dirt/gravel roads, with 50K runners facing 7,000-8,000 feet of elevation gain on rugged terrain. Both distances o..

The Teanaway Trail Run is an exciting running event set in the picturesque Teanaway Community Forest near Cle Elum, WA. Participants can choose from various distances, including a 5k, 10k, half marathon, and marathon. The course features scenic dirt logging roads and trails, with moderate elevation..

The Leavenworth Trail Fest, scheduled for May 24, 2025, is an exciting mountain running event held in Leavenworth, Washington. Participants can choose from various race distances, including the Ski Hill 55k, the Skyline 27k, and The Town 5k, catering to runners of all skill levels. The festival emph..

The Freedom 50 is an annual ultramarathon event featuring both 50-mile and 50k races, set to take place on May 24, 2025, in Puyallup, Washington. The race starts and finishes at Diamond Detail and follows the scenic Foothills Trail, offering a mostly paved course with minimal elevation changes. Aid..