Colorado · Marathon · Half Marathon · 10K
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run is a marathon, half marathon, 10K, 5K and 1 Mile event held in Windsor, Colorado. Its next confirmed date is Sunday, October 4, 2026. About 660 runners take part across all distances.
- Race day
- October 4, 2026
- Location
- Windsor, CO
- Field size
- ~660 runners
Race details
- Date
- Sunday, October 4, 2026
- Location
- Windsor, Colorado
- Distances
- Marathon, Half Marathon, 10K, 5K, 1 Mile
- Field size
- About 660 runners
- Course
- Rolling/hilly loop course through Water Valley, the Poudre River Trail and County Road 13; organizer describes single-track trail sections and hills on the marathon route (not USATF certified)
- Registration
- runsignup.com
- Official website
- fb.me
About the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Welcome to the Windsor Marathon. This event starts and ends at The Island at Pelican Lakes in Water Valley, with a great after party including breakfast, drinks and music. Tour beautiful Windsor on a variety of terrain, through golf courses, along the Poudre River trail, up and down hills, and event single track dirt trails for the marathon. There's a distance for everyone with a kids fun run, 5k, 10k, half and full marathon. This year's races benefits Banner MD Anderson Cancer Center and the W…
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Guides from the RaceRove blog
- 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.
- 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.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run: common questions
- When is the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- The next confirmed date is Sunday, October 4, 2026.
- Where is the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run held?
- In Windsor, Colorado.
- What distances does the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run offer?
- Marathon, Half Marathon, 10K, 5K and 1 Mile.
- How many people run the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- About 660 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- Registration is handled by the organiser at runsignup.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.