Runners interested in competing in the 2026 Chicago Marathon have less than 24 hours to get their applications in.

According to organizers, registration for the 2026 Chicago Marathon, which will take place Sunday, Oct. 11 of next year, will close on Tuesday, with guaranteed and non-guaranteed registration available.

As the deadline to apply approaches, here's what to know.

2026 Bank of America Chicago Marathon registration

The registration window for the 2026 race will close at 2 p.m. CT on Tuesday, according to organizers.

There are two registration options: Non-guaranteed entry drawing more commonly referred to as a lottery, and a guaranteed entry applications. The cost of an entry is $250 for United States residents and $260 for those residing outside of the United States.

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