Trail Running calendar near Downtown Seattle 2025-2026

Ultra Fest is an exciting running event taking place in Easton, WA, featuring multiple ultra-distance races including 100M, 100K, 50M, 50K, and 25K. Set against the stunning backdrop of the Central Cascade Mountains, participants can expect a fast and mostly flat course, ideal for both first-time ul..

The Moran Constitutional Relay is a challenging 70-mile relay race held at Moran State Park on Orcas Island. Teams of two to six runners tackle a course divided into 12 legs, each varying in distance from three to nine miles. The scenic route features diverse terrains, including forests, lakeshores,..

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 at Deception Pass State Park in Anacortes, Washington. Participants can choose from three distances: a 5-mile run, a half marathon, or a full marathon, all starting and finishing at Bowman Bay. The course features beautiful views of Puget Sound an..

The Mother RUCKer - 10K Ruck Challenge is an empowering event designed to inspire and reconnect American heroes, their families, and the community through the healing power of nature and rucking. Scheduled for October 4, 2025, in Eatonville, WA, participants can enjoy a 10K ruck, which involves walk..

The North Bend Trail Fest, scheduled for October 11-12, 2025, is a vibrant celebration of outdoor sports in the Snoqualmie Valley, featuring a variety of mountain running events. Participants can challenge themselves in the Mt Si VK, North Bend Skyline 30k, and Little Si 10k, each offering unique co..

The Mad Meadows 50 is an exciting trail running event scheduled for October 11, 2025, in Leavenworth, Washington. Participants can choose between two challenging distances: a 50-mile and a 50-kilometer race. The course features a mix of smooth single track, steep climbs, and technical sections, with..

The North Bend Skyline 30K is a premier trail running event that is part of the Vert Running Series Championship, designed for elite, sport, and masters 45+ runners. Set against the stunning backdrop of the Snoqualmie Valley and Cascade Mountains, this challenging course promises to test participant..

The West Seattle Monster Dash is an annual running event that features a costumed 5K trail run/walk and a Kids Monster Dash. Scheduled for October 25, 2025, the event encourages participants to dress up in costumes, making it a fun and festive occasion. Registration includes a t-shirt and a bib with..

The Carkeek 12 Hour is a challenging running event held in Seattle, WA, known for its tough terrain and unpredictable weather. Participants can choose to run for either 12 hours or 6 hours on a 1.93-mile loop, with the option of a shorter loop for those seeking an extra challenge. The event, taking ..

Salt Creek 24 is a unique running event held at the scenic Salt Creek Recreation Area in Port Angeles, Washington. Participants can choose between a 24-hour race, where they can run or walk a 1.3-mile loop, or the challenging Last Runner Standing event, which involves summiting Striped Peak every ho..

The Grand Ridge Trail Run is the concluding event of the Evergreen trail-running season, offering a variety of distances to accommodate all participants, including a 5-mile run, half-marathon, full marathon, and 50K. Set in the scenic Grand Ridge Park, the race features well-maintained trails develo..

The Harriers Gunner Shaw Cross Country Classic is an annual running event held at Thetis Lake Park in Victoria, BC. This challenging 10-kilometer race features a rugged course with various obstacles, including hills, roots, and puddles, making it a true test of endurance for participants. The event ..

Saturnalia is a festive running event held at Squaxin Park in Olympia, WA, celebrating the winter season with a fun and challenging 10K trail run. Participants can enjoy the unique experience of running through winter trails, embracing the darkness and diverse weather conditions. This event is desig..

The 2025 Pigtails Run, celebrating its 20th anniversary, is a unique running event known as "The Luxury Fat Ass." Set in Maple Valley, Washington, this race offers participants a choice of distances, including a 50K, marathon, and half marathon. Emphasizing camaraderie and self-sufficiency, the even..