Trail Running calendar near Bothell 2026-2027

Experience a winter trail run through the old growth forest of Seattle's Seward Park. Choose between 4.2 mile and 10k loops featuring a mix of smooth paths and technical lakeside trails.

Experience the natural beauty of St. Edward State Park with a 4 or 8 mile trail run along the shores of Lake Washington. This Winter Trail Series event features scenic forest single track and waterfront views north of Seattle.

Experience a technical trail run through the forests and wetlands of Soaring Eagle Regional Park with 5 mile and Half Marathon options featuring rolling hills and twisty singletrack.

Join the final event of the Winter Trail Series for a 5k or 10k through the beautiful forest of Interlaken Park. Choose between dirt trails and car free paved roads for a unique Seattle running experience.

Celebrate Valentine's Day with a community 5k in Black Diamond featuring unique two person team categories and a cross country style scoring system.