California · 10K · 5K · Half Marathon
Clo Cow Half Marathon, 10K & 5K
Clo Cow Half Marathon, 10K & 5K is a 10K, 5K and half marathon event held in Petaluma, California. Its next confirmed date is Sunday, October 11, 2026.
- Race day
- October 11, 2026
- Location
- Petaluma, CA
Race details
- Date
- Sunday, October 11, 2026
- Location
- Petaluma, California
- Distances
- 10K, 5K, Half Marathon
- Official website
- raceroster.com
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Clo Cow Half Marathon, 10K & 5K: common questions
- When is the Clo Cow Half Marathon, 10K & 5K?
- The next confirmed date is Sunday, October 11, 2026.
- Where is the Clo Cow Half Marathon, 10K & 5K held?
- In Petaluma, California.
- What distances does the Clo Cow Half Marathon, 10K & 5K offer?
- 10K, 5K and Half Marathon.
- How do I register for the Clo Cow Half Marathon, 10K & 5K?
- Registration is handled by the organiser at raceroster.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.