California · Windsor California 10k (6.2 Mile) · Windsor California 5k (3.1 Mile) · Windsor California Half Marathon 13.1M
Windsor Half Marathon 10K & 5K
Windsor Half Marathon 10K & 5K is a Windsor California 10k (6.2 Mile), Windsor California 5k (3.1 Mile) and Windsor California Half Marathon 13.1M event held in Windsor, California. Its next confirmed date is Saturday, May 15, 2027.
- Race day
- May 15, 2027
- Location
- Windsor, CA
Race details
- Date
- Saturday, May 15, 2027
- Location
- Windsor, California
- Distances
- Windsor California 10k (6.2 Mile), Windsor California 5k (3.1 Mile), Windsor California Half Marathon 13.1M
- Course
- Mostly flat vineyard-country loop with one notable rolling hill section (around miles 5-6 on Eastside Rd); no official elevation profile published
- Registration
- raceroster.com
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $130.38 (from raceroster.com, checked September 25, 2026)
- Start time
- 7:30 AM PDT
- Course profile
- Loop course; Road surface
- Typical race-day weather
- about 54°F at the start, 59% humidity, 10 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026)
About the Windsor Half Marathon 10K & 5K
A small-town wine-country race held on the Windsor Town Green, with a Half Marathon that loops through Russian River Valley vineyards and flat, fast 10K/5K options. All three distances start and finish on the Green, with a post-race festival featuring local wine and beer.
More half marathons in California
Coming up next, by confirmed date.
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Dia De Los Muertos Half Marathon & 5K Run/Walk (Bakersfield)Bakersfield, CAHalf Marathon5K2 Mile Speed Walk
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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.
Windsor Half Marathon 10K & 5K: common questions
- When is the Windsor Half Marathon 10K & 5K?
- The next confirmed date is Saturday, May 15, 2027.
- Where is the Windsor Half Marathon 10K & 5K held?
- In Windsor, California.
- What distances does the Windsor Half Marathon 10K & 5K offer?
- Windsor California 10k (6.2 Mile), Windsor California 5k (3.1 Mile) and Windsor California Half Marathon 13.1M.
- How do I register for the Windsor Half Marathon 10K & 5K?
- Registration is handled by the organiser at raceroster.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Windsor Half Marathon 10K & 5K?
- Yes — registration is open. Listed fee for the longest distance, $130.38 (from raceroster.com, checked September 25, 2026).
- What time does the Windsor Half Marathon 10K & 5K start?
- 7:30 AM PDT.
- What is the course like at the Windsor Half Marathon 10K & 5K?
- Loop course; Road surface.
- What is race-day weather usually like at the Windsor Half Marathon 10K & 5K?
- about 54°F at the start, 59% humidity, 10 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026).
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.