Endurance Grid lists 5 races in Windsor, Colorado, from October 2026 to June 2027.
The race calendar
The Windsor race calendar is busiest in October, June, and November. It covers a range of endurance sports — you'll find races in Running and Rucking — so there's usually a race near you. Distances span a wide range across those sports; you'll see 5K, 10K, 1 Mile, Half Marathon, and Marathon.
Weather on race day varies by time of year, so it lives where it’s accurate — each race page shows that race’s typical high, low, and rain chance from NOAA climate normals for its venue and date.
Population
35,918
as of 2023
City Elevation
4,800 ft
Nearest Airport
BJC
Rocky Mountain Metropolitan Airport
Time Zone
Mountain Time
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Explore and filter upcoming endurance races in Windsor, Colorado on the map below — by sport, distance, price, or month.
Just Outside Windsor