The Windy City is preparing for one of its most anticipated sporting events of the year. The 47th Bank of America Chicago Marathon. This weekend, on October 12, 2025, Sunday, the streets of Chicago will come alive with thousands of runners and spectators. It all began in 1905. But the first race of the ongoing series was organized back in 1977. But every year, this day makes sure that the city beats with the steps of the runners running for a cause.

And as the day approaches, there is a wealth of information that you might need to know. The 2025 Chicago Marathon will once again showcase its famously fast, flat course and attract participants from across the globe. And it’s set to go live this Sunday.

When is the 2025 Chicago Marathon?

Just a day before the main event, on October 11, Sat

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