Clo Cow Half Marathon

OCT

11

2026

Clo Cow Half Marathon, 10K and 5K in Petaluma on October 11, 2026 follows a rural course through Sonoma County farmland and rolling hills. Entries include a T-Shirt, Cowbell medal and post-race food with a youth discount available.

Sun 11 Oct 2026

Petaluma, California

Website

Half Marathon 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Clo Cow Half Marathon, 10K & 5K - 14th Annual

The event takes place in Historic Downtown Petaluma, at 35 Kentucky Street, on October 11, 2026. It offers three distances that travel through Sonoma County farmland and rolling hills, with visible livestock along parts of the course. The route includes climbs and open country views.

Race entries include a T-Shirt, Cowbell medal, and post-race food. Registrations are offered in tiered pricing windows throughout the year. A youth discount of $10 applies to registrants under 18.

The event supports a fundraising partner, the Petaluma Educational Foundation, which shows a fundraising total and a goal for the event. Additional services such as race day operations and a finisher medal are provided for each distance. The organizer maintains an event website for further event details.

Distances Visit the organization's website for the most recent information.