Chicago Marathon
· starts 7:30 AM
Chicago, IL
Chicago Marathon is a road race of 26.2 miles (42 km) in Chicago, Illinois. The next edition is on Sunday, October 11, 2026, starting at 7:30 AM. The race gives its climbing as 243 ft (74 m); measured from its course file, it's 20 ft (6 m). Its high point is 602 ft (184 m). Entry is by lottery; registration opened on October 21, 2025. The field is about 45,000 runners.
The course
Questions about Chicago Marathon
When is Chicago Marathon 2026?
Chicago Marathon 2026 is on Sunday, October 11, 2026, starting at 7:30 AM local time.
Where is Chicago Marathon?
Chicago Marathon is held in Chicago, Illinois.
How long is Chicago Marathon?
Chicago Marathon is 26.2 miles (42 km).
How much elevation gain does Chicago Marathon have?
Chicago Marathon has 243 ft (74 m) of elevation gain, as the race states it.
How do you get into Chicago Marathon?
Entry to Chicago Marathon is by lottery. Registration opened on October 21, 2025.
What is the weather usually like at Chicago Marathon?
Around Chicago Marathon's date, the day's high is typically about 65°F (18°C) and the low about 51°F (11°C), averaged over recent years.
Where can I see the Chicago Marathon elevation profile and aid station cutoffs?
runfarwhere has Chicago Marathon's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.
More like it
Updated