A flat, fast, USATF-certified half marathon and 10K trail run along the Snoqualmie Valley Trail, winding through some of the most beautiful agricultural landscapes and old-growth forests in the region. The course finishes under the iconic big red barn at King County’s Tolt MacDonald Park. Presented by REI Co-op and organized by Orca Running.

Dates: June 20, 2026

Cost: Half Marathon ~$80–$95; 10K ~$50–$65

More Info: https://www.orcarunning.com/snoqualmie-valley-half/