
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run is a running race on October 4, 2026 in Windsor, CO, with entry fees from $20 to $115.
From the Organizer
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!
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
69°
Typical Low
39°
Chance of Rain
21%
Based on US Climate Normals data from Ft Collins 4 E, 9 mi from the venue.
Host City
Population
35,918
as of 2023
City Elevation
4,800 ft
Nearest Airport
BJC
Rocky Mountain Metropolitan Airport · 41 mi
Major Hub
DEN
Denver International Airport · 45 mi
Time Zone
Mountain Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run, put it on the calendar, and turn “someday” into a start date.
73
Days to train
Enter your email and we'll send more your way.
From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
Severance Glow 5K Run or Walk
Less than a mile away
Joy & Justice 5k
5 miles away
Footsteps for Families 5k Fun Run & Concert
Less than a mile away
Colorado 24 Hour Run
5 miles away
Plan your trip
Coming from out of town? There's more to Windsor than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to WindsorFrequently Asked Questions (FAQs)
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Oct 4, 2026