Clo Cow Half Marathon

P.O. Box 7072

Petaluma, CA 94955

Photos by Kevin Frates

© 2019 Chicken and Cow Productions


Race Registration Insurance is available through the online registration platform. Please consider this option if you have any doubts about being able to participate. Refunds will not be possible under any circumstance if you do not select this option.   


T-shirt sizes are subject to selling out. Register early to ensure a full selection of sizes.

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