Clo Cow Half Marathon
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Clo Cow Half Marathon, 10K & 5K
The 14th annual Clo Cow event takes place on October 11, 2026 in Historic Downtown Petaluma at 35 Kentucky Street, Petaluma, CA, United States. The event offers multiple race distances on roads that pass through Sonoma County farmland and rolling hills, with sections that pass livestock including sheep, horses, and cows.
Race options:
- Half Marathon
- 10K
- 5K
Each distance entry includes a T-shirt, a Cowbell medal, and post-race food. Registration fees vary by registration period. Registrants under 18 receive a $10 discount at checkout. The event lists options for team entries, transfers, gift registrations, and volunteering.
The event supports local education through the Petaluma Educational Foundation. At the time listed the foundation had raised $1,101 toward a $2,500 goal. Event information and additional resources are available through the event website and social channels. Visit the organization's website for the most recent information.
