According to its website , runners come from more than 100 countries and across the U.S.
The Bank of America Chicago Marathon , which started in 1977 as the Mayor Daley Marathon , is considered the second largest marathon in the country and can accommodate up to 45,000 runners .
According to its website , runners come from more than 100 countries and across the country
The Bank of America Chicago Marathon , which started in 1977 as the Mayor Daley Marathon , is considered the second largest marathon in the country and can accommodate up to 45,000 runners .