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The Bank of America Chicago Marathon has more than 45,000 finishers and an estimated 1.7 million on-course spectators. The flat and fast course begins and ends in historic Grant Park.
The loop course and abundance of public transportation options enables friends and family to cheer their runners on at many locations along the course.
The Bank of America Chicago Marathon has a long history of hosting the world’s fastest runners and has been the site of three men’s world records, and three women’s world records.