
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run is a running race on October 3, 2027 in Windsor, CO, with entry fees from $20 to $154.
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!
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
40°
Chance of Rain
21%
Based on US Climate Normals data from Ft Collins 4 E, 9 mi from the venue.
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.
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.
325
Days to train
Plan your training, log every workout, and track your progress all the way to race day in the Endurance Grid app.


Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Oct 3, 2027