Overview
- Racing begins in Grant Park with wheelchair starts at 7:20 a.m. CT, elites at 7:30 a.m., then open waves at 8:00 a.m. and 8:35 a.m.
- Course streets close to traffic at 6 a.m. Sunday with no‑parking enforcement and towing from 1 a.m.; phased reopenings are tied to the 6 hour 30 minute course limit.
- NBC 5 Chicago and Telemundo Chicago carry live coverage from 7 a.m., with streaming on NBCChicago.com and TelemundoChicago.com plus an exclusive finish‑line camera from 11 a.m. to 3 p.m.
- Defending men’s champion John Korir leads a deep field featuring Jacob Kiplimo and American Conner Mantz, while the women’s race is wide open without suspended defending champion Ruth Chepngetich and includes favorites Megertu Alemu and Hawi Feysa.
- Race‑week features include the McCormick Place expo and Saturday’s Abbott Chicago 5K with 12,000 runners, plus a free official app offering unlimited live tracking, leaderboards and digital cheers.