Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
- Date
- October 4, 2026
- Distance
- Windsor Marathon · Windsor Half Marathon · 10K & more
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
Typical Conditions
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
About Windsor, CO
Population
35,918
as of 2023
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
What Are You
Waiting For?
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.
118
Days to train
- Race
- Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
- Date
- October 4, 2026
Coming Up
More Running races near Windsor, CO
Red, White and Brew 5k, 10k & Half Marathon
Half Marathon · 10K · 5K
Less than a mile away
Tunnel to Towers National Golf Series Northern Colorado Golf Classic
Less than a mile away
Severance Glow 5K Run or Walk
5K
4 miles away
Joy & Justice 5k
5K
6 miles away
From Endurance Grid
About This Sport
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.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run is a running race held in Windsor, Colorado on October 4, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- Sunday, October 4, 2026 in Windsor, Colorado at The Island at Pelican Lakes in Water Valley, Windsor, CO. Check the event page for exact start times and wave schedules.
- How do I register for the Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Oct 4, 2026