Endurance Grid lists 8 races in Rockford, Illinois, from September 2026 to July 2027.
The race calendar
The Rockford race calendar is busiest in July, September, and November. It covers a range of endurance sports — you'll find races in Running, Duathlon, Rucking, Road Cycling, Obstacle Course, and other sports — so there's usually a race near you. Distances span a wide range across those sports; you'll see 5K, Sprint, 2 Mile / 3K, Ultra, and 10K, 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
147,649
as of 2023
City Elevation
760 ft
Nearest Airport
RFD
Chicago Rockford International Airport
Time Zone
Central Time
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