Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Windsor's scenic course winds through golf courses and along the Poudre River trail.
Race Date
Oct 4, 2026
Location
Windsor, CO
Quick facts
- Date
- Sunday, October 4, 2026
- Location
- Windsor, Colorado
- Distance
- Half marathon (13.1 mi) + 26.2 Miles, 6.2 Miles, 3.1 Miles, 1 Miles
- Course
- Loop Course
- Terrain
- Mixed
- USATF certified
- Not listed
- Finishers on record
- 931
Highlights
Good For
Atmosphere
Course
The Experience
The Windsor Marathon offers a diverse running experience, starting and finishing at The Island at Pelican Lakes. Runners can expect a varied course that winds through picturesque golf courses and along the Poudre River trail, with some sections featuring hills and even single-track dirt trails for the marathon.
This event, first run in 2020 and now in its 6th edition, typically sees around 309 finishers, drawing participants from approximately 7 states. While the field size has seen a recent trend of shrinking, a dedicated 13% of runners return each year, highlighting a loyal following.
The race concludes with a lively after-party featuring breakfast, drinks, and music, providing a festive atmosphere to celebrate achievements. With multiple distances available, including a 1-mile kids' run, 5k, 10k, half marathon, and full marathon, there's an option for every runner.
Race-provided description
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!
Logistics
Race Day
Sunday, October 4, 2026
Start Time
8:00 AM
Giveaway
Long sleeve shirt
Start Location
The Island at Pelican Lakes in Water Valley, Windsor, CO, 80550
Course Info
Course Type
Loop Course
Terrain
mixed
Scenery
Lake River, Park
Surface
Dirt Trail, Paved
Difficulty
Rolling Hills
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
Solid Pick516 years running
~309 finishers a year
shrinking
13% returning runners
5 timing sources
runners from 7 states
winner 1:22:39
typical high 73°F
Race Day Weather
5-year historical avgStart (Low)
46°
Afternoon (High)
73°
Warm — hydration strategy is key, start conservatively
0.0"
Precipitation
10 mph
Wind
52%
Humidity
Historical Finish Times
How 931 finishers actually crossed the line across 6 years.
Most recent
2025
Total finishers
931
Median time
2:08:23
Latest turnout
167
States
30
Turnout by year
2020–2025
Hover the histogram to inspect specific finish times.
Frequently asked
When is the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
The Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run is held on Sunday, October 4, 2026, starting at 8:00 AM.
Where does the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run take place?
It takes place in Windsor, Colorado.
What distances does the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run offer?
The half marathon (13.1 miles), plus 26.2 Miles, 6.2 Miles, 3.1 Miles, 1 Miles.
Is the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run course flat and good for a PR?
The Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run is a rolling hills, loop course course.
How many people run the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
HalfRuns has finish records for 931 runners who have completed the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run.
HalfRuns editorial — independent, no paid placement.
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