Endurance Grid lists 6 races in Littleton, Colorado, from October 2026 to April 2027.
The Littleton race calendar is busiest in October, November, and April. It covers a range of endurance sports — you'll find races in Running and Paddle — so there's usually a race near you. Distances span a wide range across those sports; you'll see 5K, Half Marathon, 8 Mile, 1 Mile, and 10K.
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
45,092
as of 2023
City Elevation
5,445 ft
Nearest Airport
BJC
Rocky Mountain Metropolitan Airport
Time Zone
Mountain Time
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Explore and filter upcoming endurance races in Littleton, Colorado on the map below — by sport, distance, price, or month.