Trail Running calendar near North Cascades 2025-2026

We have found 17 Trailruns within 80 miles of North Cascades. See below where and when you can find the races.

The Sasquatch Ultra Trail is a trail running event held at Sasquatch Mountain Resort in Agassiz, British Columbia, Canada. Scheduled for June 21-22, 2025, it offers 6-hour, 12-hour, and 24-hour timed races on a 10 km loop course, where participants aim to complete as many laps as possible. The event..

July 2025

Kill Bill’s Oyster Dome Challenge is a challenging trail running event held on Blanchard Mountain near Alger, Washington. Participants can choose between a 25k or a 50k race, with the 50k consisting of two loops of the 25k course. The course features tough climbs, including the infamous "Kill Bill H..

August 2025

The Hamster Endurance Runs is a multi-distance trail race held annually at Lake Padden, featuring 6, 12, 24, and 32-hour events. Created in 2013, the race raises funds for local organizations, with proceeds supporting the Whatcom Family YMCA's Girls on The Run program. Runners traverse a well-marked..

The Fat Dog 120 Trail Race is a challenging ultra running event held in British Columbia, Canada, featuring several distance options including a 120-mile race. The point-to-point course starts in Keremeos and finishes in E.C. Manning Provincial Park, covering approximately 124 miles with about 26,00..

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..

September 2025

The Cutthroat Classic is an 11-mile singletrack trail run through the North Cascades in Washington, following the iconic Pacific Crest Trail over Cutthroat Pass. Starting at Rainy Pass (4,870 feet elevation), runners climb steadily for five miles to Cutthroat Pass (6,835 feet), then descend four mil..

The Frosty Mountain Ultra is an exhilarating trail running event set in Manning Provincial Park, British Columbia, scheduled for September 13, 2025. Participants can choose from three distances: 13km, 27km, and 50km, each offering stunning views and challenging terrain. The race begins and ends at t..

Nooksack Ridgelines is a multi-day trail running event held in the North Cascades, Washington, featuring stunning high-country scenery shaped by volcanic and glacial forces. Over four days, runners tackle daily distances ranging from 7 to 34 miles across three main ridgelines: Excelsior Ridge, Ptarm..

The Stehekin event is a four-day adventure run held in the remote and scenic Stehekin Valley, Washington, nestled along Lake Chelan and surrounded by the North Cascades. Covering distances between 40 to 70 miles, the run begins with a challenging ascent to Cascade Pass, followed by trail runs and ex..

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 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 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,..

October 2025

The Baker Lake 50k is a challenging 31.2-mile trail run held in a serene fall setting along the eastern shoreline of Baker Lake in Washington's Mt. Baker-Snoqualmie National Forest. Starting and finishing at Kulshan Campground, the course features a mix of paved, gravel, and single-track trails that..

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..

November 2025

The Loop the Vedder Trail Half Marathon is a scenic trail running event held in Chilliwack, British Columbia, along the Vedder River. The course features a fast and flat gravel terrain combined with winding single-track sections, offering runners a mix of smooth and technical trail running. This hal..

December 2025

The Deception Pass 50K and 25K races take place at Deception Pass State Park in Oak Harbor, Washington, known for its rugged coastline, steep cliffs, dense forests, and stunning views. The courses traverse nearly the entire park, including two crossings of the historic Deception Pass Bridge, which i..

April 2026

The Sunflower Relay, Half Marathon, and Full Trail Marathon take place in the scenic Methow Valley, offering runners a unique experience through vibrant wildflower fields, including exclusive access to private sunflower meadows between Mazama and Twisp. Participants can run individually in the half..