Chicago Marathon 2024 Dates Start Time

Chicago Marathon 2024 Dates Start Time. The chicago marathon will begin bright and early at grant park on october 13, with gates opening to runners at 5:30. The event has a course time limit of 6 hours and 30.

The marathon starts in waves,. The lettered start corrals a, b, c and d are seeded placement of the fastest 12,000 participants based on their recent marathon and half marathon finish times.