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Chicago Lakefront 50k 20.7M & Half Marathon

March 29, 2025
Chicago
Trail
Distances
Ultramarathon, Half-Marathon
Starting Time

9:00 AM

Fees

$60+

Perfect For
1-100
Fast & Flat
Lakefront
High: 55°
/ Low: 30°
Overview
The Chicago Lakefront 50K, 20.7M, and Half Marathon offers a rich history with multiple decades of tradition across races geared towards more seasoned runners. Chicago’s longest running ultra race features three, 10.3-mile out-and-back laps on the pedestrian path of the scenic Chicago Lakefront Trail. The Half Marathon follows the same course but with one “short” lap and one “long lap” The 20.7M follows the same course, but totaling two laps.

Chicago Lakefront 50k 20.7M & Half Marathon Course Map

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