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. It was last held on October 4, 2026 and is usually run in October; the next date hasn't been announced yet. About 660 runners take part across all distances.
- Usually held
- October
- Location
- Windsor, CO
- Field size
- ~660 runners
Race details
- Last held
- October 4, 2026
- Usually held in
- October
- 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
Registration, course & weather
- Registration status
- Registration status as last checked September 25, 2026: open
- Entry fee
- Listed fee for the longest distance, $140 (from runsignup.com, checked September 25, 2026)
- Start time
- 7:00 AM MDT
- Course profile
- Loop course; Mostly trail, some road; Not USATF certified; Not a Boston qualifier
- Typical race-day weather
- about 41°F at the start, 86% humidity, 5 mph wind (based on the 2023 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026)
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
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 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 Marathon, Half Marathon, 10k, 5k & 1 Mile Run: common questions
- When is the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- 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.
- Is registration open for the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- Registration status as last checked September 25, 2026: open. Listed fee for the longest distance, $140 (from runsignup.com, checked September 25, 2026).
- What time does the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run start?
- 7:00 AM MDT.
- What is the course like at the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- Loop course; Mostly trail, some road; Not USATF certified; Not a Boston qualifier.
- What is race-day weather usually like at the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- about 41°F at the start, 86% humidity, 5 mph wind (based on the 2023 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.