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Chamna Chase

Richland, United States • 25 Oct 2025

Chamna Chase takes place in Richland, Washington at the Chamna Natural Preserve. The event offers three distances: a half marathon, 10K, and 6K. The course features dirt trails with occasional rocks, a double out-and-back for the half with a middle loop, and the 10K following the initial out-and-back plus loop; the 6K forms a large loop.

Expect a festive, family-friendly atmosphere with Halloween costumes encouraged and prizes for best costumes. Race shirts available for purchase (order by Sept 15). Afterward, awards, snacks, sponsor prizes, and post-race cheer sessions.

Dogs on leash are welcome. Fluorescent-tape course marking and maps will be emailed to entrants closer to race day. Visit the organization's website for the most recent information.

United States Washington Richland

Race information

Website Registration
21 km
Half Marathon
10 km
10k
6 km
Visit the organization's website for the most recent information.
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