Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
About this race
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 Weld RE-4 Foundation. Create a team and let's show our strength in numbers!
Pick your distance
Running
Windsor Marathon
This course runs through the golf course at Pelican Lakes in Water Valley to Eastman Park, along the Poudre River Trail to River Bluffs Open Space, up County Road 13 to Belmont Ridge Open Space, through Raindance and down New Liberty to the Island at Water Valley. Finisher medals, lunch and long sleeve tech shirts.
Windsor Half Marathon
This course runs through the golf course at Pelican Lakes in Water Valley to Eastman Park, along the Poudre River Trail to River Bluffs Open Space, up County Road 13 and down New Liberty to the Island at Water Valley. Finisher medals, lunch and long sleeve tech shirts.
10K
This course runs through the golf course at Pelican Lakes in Water Valley to Eastman Park, past the Poudre River Water Experience, and finishing on the Island where the after party will be held. Finisher medals, lunch and long sleeve tech shirts.
5K
This course runs through the golf course at Pelican Lakes in Water Valley, finishing on the Island where the after party will be held. Finisher medals, lunch and long sleeve tech shirts. $5 of your entry fee goes to 5k support Banner MD Anderson Cancer Centers of Colorado.
1 Mile Fit & Fun Run
Join us for the 1 mile Kids Fun Run at the Windsor Marathon. The run is open to all ages and on the beautiful Island at Pelican Lakes in Water Valley! Kids will receive a race bib + participant medal. Bouncy Houses and Face Painting are also included! $5 from the Fit and Fun Run benefits Banner MD Anderson Cancer Centers of Colorado. New Route: Leaving the island, kids will run through the start line chute, and a loop around the W-Club
Typical race-day weather
Based on 6 years of Open-Meteo archive data for this event's race dates in Windsor, plus the 3 days either side.
The sun rises at 6:59 AM and sets at 6:37 PM local time (MDT) in Windsor on October 4, 2026 — 11h 37m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Other races near Windsor
Different organizers, within 40 miles, in the next three months
Footsteps for Families 5k Fun Run & Concert
Santa Catch 5k & 10k
Pelican Lakes Turkey Trot
Sleigh Bell Shuffle
🏃 Plan Your Next Race in Windsor
Find upcoming events by distance:
- Windsor 5K Races 5 races
- 10K Run Events in Windsor 3 races
- Windsor Half Marathons 2 races
- Windsor Running Calendar 2026 9 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 9 Windsor events
Spotted something wrong? Tell us and we'll fix it.