Event

Chicago Marathon 2025

October 12, 2025

Countdown

Event ended

It took place on Sunday, October 12, 2025

Country

Holiday type

Holiday

About this event

Chicago Marathon is a public holiday in United States observed on October 12, 2025.

Related events

American Indian Heritage Day

October 13, 2025

Columbus Day

October 13, 2025

Discoverers' Day

October 13, 2025

View October 2025 calendar Back to calendar