Known throughout the events industry for dedication to operational excellence and preparedness, the 2021 Bank of America Chicago Marathon excelled on both fronts on Oct. 10, when it returned with the largest U.S. marathon field since the start of the pandemic.*
Just over 26,000 runners participated in the event, under the 35,000 capacity cap announced by the race in June. The pre-pandemic Chicago field cap was set at 45,000 participants.
To ensure the safety of all participants and anyone involved with the race, participants were asked to submit proof of vaccination or a negative COVID-19 test result to access marathon events and run on race day. Early communication to registrants set clear expectations. Ultimately, r...