Trail Running calendar near Mukilteo 2026-2027

Run a timed endurance event on a scenic 2.6-mile loop around Lake Padden in Bellingham. Choose from 6, 12, 24, or 32-hour categories on a wide gravel path. Your entry supports the local YMCA's Girls on the Run program.

Experience mountain racing on the Olympic Peninsula at the Beast of Big Creek. Summit Mt. Ellinor in the 22K Skyrace or explore lush rain forests on the 8K Forest Loop in Hoodsport, Washington.

Challenge yourself on the historic stairs of Tacoma at the Unleashed at Stadium Bowl. Choose from one or two laps totaling up to 3256 steps to support local animal rescue efforts.

Experience the lush forests and unique ridgelines of Larrabee State Park with technical trail races ranging from 12k to 50k. Enjoy views of the Cascades and Bellingham Bay while tackling significant elevation on Pacific Northwest singletrac..

Experience the lush forests and single track trails of Bellevue in this eco friendly trail series. Choose from three distances ranging from a 5K to a full marathon while supporting King County Parks.

A marathon and half marathon near Hyak at Snoqualmie Pass on August 9, 2026. The 2026 route uses an alternate permitted course with about 1,000 feet of net downhill on packed gravel and the marathon is a USATF-certified Boston qualifier.

Tackle the rugged single track trails of Cobble Hill in this eighth edition trail run. Choose between a 25 km long course or a 12 km short course, both with significant elevation. The event also fundraises for local nature trails.

Set in Washington's Olympic National Forest, this August weekend offers trail races from a 10K to a 100K, including ruck divisions. Courses feature significant elevation on scenic single-track trails. Registration opens in January with disc..

Experience an evening run at Chambers Bay with stunning views of Puget Sound. Choose between 5k, 10k, or half marathon distances on a scenic paved loop featuring rolling hills and sunset vistas.

Experience a variety of ultra distances and timed events on a flat 3.1 mile loop in Bonney Lake. Enjoy free on site camping and a central aid station perfect for personal PRs or your first ultramarathon.

Trail races in Victoria BC on single track, short double track and technical mountain trails. Distances include 28 km, 50 km, 50 mile and a combined 50 mile plus 28 km option.

Traverse the scenic Kelly Ridge on single track trails between Olympic National Park and the Strait of Juan de Fuca. Choose from three distances finishing at the clear waters of Lake Crescent.

Experience a fast downhill race through the Cascade Mountains on the Palouse to Cascades Trail. Run through the historic Snoqualmie Tunnel or along Keechelus Lake to earn your custom finisher medal and technical shirt.

Experience a flat out and back course through mossy evergreen forests along the Snoqualmie valley trail. Choose from four different distances starting at Tolt MacDonald Park in the town of Carnation.

Coal Miner is a rugged, self-supported 51.3-mile trail run through the mountains near Roslyn, WA. With no course markings and minimal aid, it demands strong navigation skills and mountain readiness. Finishers must provide summit selfies and..

Celebrate health and recovery with a 5k trail run through the beautiful Illahee Preserve Heritage Park. Enjoy a well supported course in the woods followed by coffee and donuts with the community.

Run through the historic Snoqualmie Tunnel on a fast, downhill course built for speed. This USATF certified marathon is a renowned Boston qualifier, set against stunning Pacific Northwest scenery. Registration includes shuttle service, prof..

Experience an obstacle course championship weekend at Meadow Wood Equestrian Center. Choose from several distances through evergreen trails and narrow paths between the Cascade Mountains and Puget Sound.

Experience a 70 mile trail relay divided into 12 scenic legs across Moran State Park on Orcas Island. Form a team of two to six runners to tackle diverse terrain and the summit of Mount Constitution over two days.

Ultra Fest offers fast, scenic gravel trail races from 25k to 100 miles in Easton, Washington. Runners enjoy lake and mountain views on an out-and-back course. The event provides on-site parking, crew access, and aid stations for a well-sup..