Chicago 13.1
Race Day Weather
Mild temps, strategic pacing needed
Runners will face temperatures starting at 61°F and rising to 65°F by the finish, with high humidity at 78%. A headwind from the southwest will challenge athletes from miles 2-3 and 10, while tailwinds will provide relief during miles 4-5 and 8. Given the humidity, it's wise to adjust pacing and ensure hydration, especially in the early miles.
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Race Info
The Chicago 13.1 starts and finishes in Garfield Park, looping through Humboldt Park and Douglass Park on Chicago's West Side. It's the half marathon leg of the Chicago Distance Series, run alongside the Chicago Marathon and Shamrock Shuffle. The course is flat, staying on West Side boulevards and parkways away from the lakefront route used by most Chicago races.
