Trail Running calendar near Seattle 2025-2026

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..

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,..

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 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..

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..

Finlayson Arm is a challenging trail running event held in Victoria, British Columbia, featuring distances of 28K, 50K, and 50 miles with significant elevation gains—4,400 ft for the 28K, 10,075 ft for the 50K, and 13,000 ft for the 50-mile race. The course includes a mix of single track, double tra..

Plain Endurance Runs, held near Leavenworth, Washington, feature challenging ultra-distance races including a 100-mile and a 100K event. The courses traverse approximately 85 miles of US Forest Service trails and 20 miles of forest roads within the Cascade Mountains, covering the Lake Wenatchee, Ent..

The Brown Bear Salmon Run is a trail running event held at Snoqualmie Pass, Washington, featuring 15K and new 30K race options. The course includes scenic singletrack trails and Forest Service and ski area access roads, with a challenging elevation gain of 1,900 feet for the 15K. Runners experience..

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 mountain ultramarathon event featuring multiple distances: 100 miles, 100K, 50 miles, 50K, and 25K. Set in the scenic Central Cascade Mountains, the course is known for being fast and mostly flat, with moderate elevation gains ranging from 500 to 3,000..

The Return of the Salmon Celebration - Salmon Run is a vibrant event celebrating the cultural heritage of the Skykomish River Valley. Scheduled for September 27, 2025, at Osprey Park in Sultan, WA, the event features a scenic 5K trail run and a leisurely 1-mile "Fin" walk along the beautiful Sultan..

The Moran Constitutional Relay is a demanding 70-mile trail relay held at Moran State Park on Orcas Island, Washington. Teams of two to six runners complete 12 legs ranging from 3 to 9 miles, featuring diverse terrain including lowland forests, rocky balds, lakeshores, wetlands, and the summit of 2,..

The Fidalgo Trail Run is a scenic running event held in Deception Pass State Park, Washington's most-visited park, starting and finishing at Bowman’s Bay. It offers three race distances: 5 miles, half marathon, and full marathon, all featuring loops with stunning views of Puget Sound, the San Juan I..

The Baker Lake Classic 25k is a scenic trail running event held in Concrete, Washington, along the eastern shoreline of Baker Lake within the Mt. Baker-Snoqualmie National Forest. Covering 15.6 miles, the point-to-point course features old growth forests, moss-covered trees, and views of Mt.Baker, w..

The North Bend Trail Fest, held in North Bend, Washington, is a dynamic mountain running event featuring multiple races over two days. Key races include the challenging North Bend Skyline 30k, a new course with 6,600 feet of vertical gain offering stunning views of Mt Si, Mount Rainier, and Seattle...