Half Marathon at Chiawana Park

The Haunted 1M, 5K, 10K, 15K, and Half Marathon at Chiawana Park in Pasco, WA, is a festive running event scheduled for October 18, 2025. Participants can choose from various distances, with the half marathon course consisting of four laps. All finishers will receive themed medals, and there will be a costume contest to encourage festive attire.

The event is part of the US Road Running Race Series, allowing participants to earn points. Registration is required through RunSignup, and there will be no on-site registration available. The race promotes a fun atmosphere with group photos and awards for the best costumes. Visit the organization's website for the most recent information.