Trail Running calendar near Snoqualmie 2025-2026

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 event, organized by Endless Trails, is a challenging running experience set in Carkeek Park, Seattle. Scheduled for October 25, 2025, participants can choose between a 12-hour or a 6-hour race, both featuring a scenic 1.93-mile loop with significant elevation gain. This event not..

The Grand Ridge Trail Run, taking place on November 8, 2025, in Issaquah, WA, marks the finale of the Evergreen trail-running season. This event offers a variety of distance options, including a 5-mile run, half-marathon, full marathon, and a 50K, catering to runners of all levels. The scenic Grand..

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..