Endurance Grid lists 10 races in Westminster, Colorado, from December 2026 to September 2027.
The Westminster race calendar is busiest in December, January, and February. Every race here is a running event, so there's usually one near you. You'll see distances like 10K, 5K, Half Marathon, 1 Mile, and 15K, along with other popular distances.
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
115,546
as of 2023
City Elevation
5,551 ft
Nearest Airport
DEN
Denver International Airport
Time Zone
Mountain Time
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Explore and filter upcoming endurance races in Westminster, Colorado on the map below — by sport, distance, price, or month.