However , even before the financial setbacks of the 1920 's , the marathon course had evolved into something similar to the course route that we see today .
Chicago 's first marathon in 1905 began in Evanston and ended at the Washington Park Race Track .
Even before the financial setbacks of the 1920 's , the marathon course had evolved into something similar to the course route that we see today .
Chicago 's first marathon in 1905 began in Evanston and ended at the Washington Park Race Track .