Endurance Grid lists 6 races in Lemont, Illinois, from September 2026 to May 2027.
The race calendar
The Lemont race calendar is busiest in March, May, and September. It covers a range of endurance sports — you'll find races in Running, Trail Running, and SwimRun — so there's usually a race near you. Distances span a wide range across those sports; you'll see 10K, Half Marathon, 5K, 1 Mile, and Ultra, 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.
City Elevation
717 ft
Nearest Airport
MDW
Chicago Midway International Airport
Time Zone
Central Time
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Just Outside Lemont