Abbott World Marathon Major
Chicago Marathon 2026
Chicago Marathon 2026 is one of the seven Abbott World Marathon Majors. This countdown follows the organizer-confirmed opening day in Chicago, Illinois, United States; future editions are added only after the official event publishes them.
69
days to go
DateOctober 11, 2026
CountdownWhole calendar days
TimezoneAmerica/Chicago
LocationChicago, Illinois, United States
Good to know
When does Chicago Marathon 2026 begin?
The organizer lists Chicago Marathon 2026 for October 11, 2026 in Chicago, Illinois, United States. This countdown follows that host-city calendar date.
Is Chicago Marathon 2026 a World Marathon Major?
Yes. Chicago Marathon 2026 is part of the seven-race Abbott World Marathon Majors series.
Does this countdown include a race start time?
No. It counts whole calendar days to October 11, 2026 in Chicago, Illinois, United States and does not invent a start time that the organizer has not published here.