A scenic, nearly all-downhill half marathon on the Palouse to Cascade Trail and Snoqualmie Valley Trail, following historic railroad grades through lush forest past railroad trestles. Note: the 2026 course is being re-routed due to December flood damage to the Iron Horse Trail; participants will be notified of course adjustments. Three-time winner of Washington’s Best Half Marathon.

Dates: August 30, 2026

Cost: $56–$89

More Info: https://www.orcarunning.com/iron-horse-half/