Overview
- Race day begins in Grant Park with wheelchair starts at 7:20 a.m. CT, followed by Wave 1 at 7:30 a.m., Wave 2 at 8:00 a.m., and Wave 3 at 8:35 a.m.
- City notices detail no‑parking enforcement and towing from 1:00 a.m. Sunday, with the course closed to vehicle traffic from 6:00 a.m. to roughly 4:00 p.m.
- Live coverage starts at 7 a.m. on NBC5 Chicago with streams on NBCChicago.com and TelemundoChicago.com, plus an exclusive finish‑line camera from 11 a.m. to 3 p.m.
- Organizers expect more than 50,000 runners across 29 neighborhoods, with tracking available through the official app featuring unlimited live updates and 11 leaderboards.
- Elite fields feature defending champion John Korir against Jacob Kiplimo, U.S. hope Conner Mantz, women’s favorite Megertu Alemu, and wheelchair stars Marcel Hug and Catherine Debrunner.