Chicago Marathon 2024 Start Time Today. The chicago marathon will begin bright and early at grant park on october 13, with gates opening to runners at 5:30 a.m. Top masters athletes enjoyed a beautiful morning in indianapolis for running the usatf masters half marathon championships, low 50s at the start, rising to low.

Live stream, start lists, results and schedule for the 2024 chicago marathon on sunday, october 13. The chicago marathon will begin bright and early at grant park on october 13, with gates opening to runners at 5:30 a.m.