Greetings from Chicago
Chicago Marathon
Sunday 10 October 2027
Chicago Loop. Photo: Ken Lund from Reno, Nevada, USA, CC BY-SA 2.0 (creativecommons.org/licenses/by-sa/2.0), via Wikimedia Commons. Adapted: text and course line added. This card is shared under CC BY-SA 2.0. Photo source Course © OpenStreetMap contributors.