Chicago Marathon
Race Day Weather
Cool start, shifting winds ahead
Runners will face a cool start at 57°F, rising to 61°F by the finish. Wind will be a factor with tailwinds in the early miles, shifting to headwinds from miles 2 to 13, which will challenge pacing efforts. With humidity at 71%, it's advisable to hydrate frequently and consider pacing conservatively, especially as conditions change throughout the race.
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Race Info
The Chicago Marathon is a marathon (long-distance foot race) held every October in Chicago, Illinois. It is one of the six World Marathon Majors. Thus, it is also a World Athletics Label Road Race. The Chicago Marathon is the fourth-largest race by number of finishers worldwide. Wikipedia
