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Chicago, United States
Chicago Marathon
A flat, fast loop through 29 neighbourhoods from Grant Park.
Plan this raceProfessional and first-wave start about 07:30; later waves follow through the morning.
- Date
- Sun, 11 October 2026
- Start
- 07:30 local
- Distance
- Marathon
- Course
- Loop · Flat and fast
- Field
- More than 55,000 registered (2026)
The course
A flat loop through 29 neighbourhoods, starting and finishing in Grant Park.
Start: Grant Park. Finish: Grant Park.
Conditions
8 to 17 °C
Typical mid-October morning. Some editions have run warm and humid.
Getting there
- ORD O'Hare: about 45 to 60 min to the Loop by CTA Blue Line
- MDW Midway: about 25 to 35 min to the Loop by CTA Orange Line
Stay: The Loop or South Loop, walking distance to Grant Park.
Race weekend
Bib pickup at the Health & Fitness Expo at McCormick Place in the days before. Bring photo ID.
CTA trains and buses to the Grant Park entrances. Allow time for security screening.
Local info
- Money
- US dollar (USD)
- Power
- Type A / B, 120 V
- Emergency
- 911
- Language
- English
Official links
About this race data
Race facts checked against the sources below in October 2026. Start times and venues can change; always confirm on the official race site.