# Clo Cow Half Marathon, 10K & 5K

- **When:** Sun, Oct 11, 2026 · 7:30 AM PDT
- **Where:** Kentucky St, Petaluma, CA, 94952
- **Event page:** https://runthis.run/event/rr-115095-clo-cow-half-marathon-10k-5k

## Registration

Register on the event's own site: https://raceroster.com/events/2026/115095/clo-cow-half-marathon-10k-and-5k

## Description

October 11, 2026 Join us on October 11, 2026 for the Clo Cow Half Marathon, 10K & 5K in charming Historic Downtown Petaluma! Wind your way through picturesque Sonoma County farmland and rolling hills, where friendly sheep, horses—and of course Moo-Cows—will cheer you on every step of the way. Sure, those climbs are a challenge, but the sweeping country views at the top are well worth the effort!

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Source: [https://runthis.run/event/rr-115095-clo-cow-half-marathon-10k-5k](https://runthis.run/event/rr-115095-clo-cow-half-marathon-10k-5k) — data from Run This (runthis.run).