Trail Running calendar near Downtown Seattle 2025-2026

The Summer Eddy Trail Run is part of the Tuesday Night Trail to Grill series, taking place at St. Edward State Park in Kenmore, WA. Participants can choose between two distances: 4 miles and 8 miles.The event features a mix of wide trails and twisting single tracks, providing a fun and engaging runn..

The Dirt Circus - Seattle will take place in Downtown Seattle on Wednesday 23 July 2025.

The Hamster Endurance Runs is a unique running event featuring 6, 12, 24, and 32-hour races, held at Lake Padden. Established in 2013, the event promotes community engagement while raising funds for local organizations, such as the Whatcom Family YMCA's Girls on The Run Program. Participants run on..

The Beast of Big Creek is an exhilarating mountain running event taking place in Hoodsport, Washington, on the stunning Olympic Peninsula. Participants can choose between two distances: a challenging 14-mile Skyrace, which includes a climb of over 5,200 feet to the summit of Mt. Ellinor, and a 5-mil..

The Cougar Mountain Trail Run Series #4 is set to take place on August 9, 2025, at King County’s Cougar Mountain Regional Wildland Park in Newcastle, WA. This event features three race distances: 5k, 14.5 miles, and 26.2 miles, catering to a variety of trail running enthusiasts. The series has a str..

The Larrabee Lakes event, scheduled for August 9, 2025, in Bellingham, WA, features a variety of trail running distances: 12K, 25K, and 50K, along with a Kid's Run. Participants will experience scenic trails through lush forests and picturesque lakes, with unique geological views from ridgelines. Th..

Race the Reserve Whidbey Island is a scenic running event taking place in Coupeville, Washington, on Whidbey Island. Participants can choose from various distances, including a 5k, 10k, half marathon, and a virtual race option. The course offers breathtaking views as runners traverse Ebey's Prairie..

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, organized by Mountain Peaks Racing, are held in the scenic Olympic National Forest in Quilcene, Washington, over two days in August 2025. The event features four race distances: the challenging 100K, the demanding 50K, the technical 25K, and a 25K Ruck division. Th..

The Paradise Valley Trail Run will take place in Woodinville on Saturday 23 August 2025. You can run between 5 and 13 miles.

The Goat Rocks Stage is a thrilling 50-mile, two-day running event set in the stunning Goat Rocks Wilderness, located between Mt. Rainier and Mt. Adams.This challenging stage run is designed for experienced runners, featuring rugged terrain, narrow ridgelines, and breathtaking views of volcanoes. Pa..

The Dark Divide Trail Races, scheduled for September 5-7, 2025, offer an exhilarating experience in the stunning landscapes of the Dark Divide Roadless Area in Washington. Participants can choose from various distances, including the challenging 100 Miler, the newly introduced 100K, a 50K, and a 15..

The Finlayson Arm will take place in Victoria on Saturday 6 September 2025. You can run between 28 and 50 miles.

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 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 GOAT Run, taking place in Port Angeles, WA, is an exciting trail running event featuring a half marathon, marathon, and 50K race. Set against the stunning backdrop of Olympic National Park, participants will traverse the scenic Olympic Adventure Trail, culminating at the beautiful Lake Crescent...

The Brown Bear Salmon Run is an exciting running event taking place at Snoqualmie Pass, Washington, featuring a scenic 15K course. This race, set for September 13, 2025, is designed for both seasoned runners and newcomers, offering a mix of singletrack trails and Forest Service roads. Participants c..

The Plain Endurance Runs are challenging ultramarathon events held in the Cascade Mountains near Leavenworth, Washington. The races include a 100-mile and a 100K course, featuring approximately 85 miles of trail and 20 miles of forest service roads with around 21,000 feet of elevation change. Partic..

The Cirque Series - Crystal Mountain is an exciting running event set for September 20, 2025, featuring a challenging 7.7-mile course with an elevation gain of 2,544 feet. The race begins at the Crystal Mountain base area and includes a mix of rugged terrain and stunning views, including the highest..

Ultra Fest in Easton, Washington, is a premier ultramarathon event offering multiple race distances, including 100 miles, 100K, 50 miles, 50K, and 25K. The course runs through the scenic Central Cascade Mountains, featuring fast, flat, and smooth terrain ideal for PRs and first-time ultra runners. R..