Bank of America Chicago Marathon

Sun, Oct 11, 2026
United States
Chicago
100% asphalt
chicagomarathon.com
World Marathon Majors
World Athletics
AIMS

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Road runs in United States, Chicago

Distances

Running
Marathon
42.2 km

About

The Bank of America Chicago Marathon is a major world marathon held in Chicago each fall, offering a fast flat course through 29 neighborhoods with extensive spectator support and world-class amenities.

Catering & aid stations

20 aid stations along the course provide water, Gatorade Endurance Formula (lemon-lime), and Maurten gels. Medical tents at all aid stations and additional medical support between miles 14–15 and in the final mile. On-course banana distribution and spectator-provided cheer zones.

Pacers

Pace Team Pacers will be present at the race with target times published per start wave on race day. Pacers help runners achieve goal pacing and are identified by Pacer flagging along the course.

Results

View official results

Surface mix

100% asphalt

Typical weather in Chicago

Monthly averages based on historical data (2000–present).

Jan31°20°

↑ 07:17

↓ 16:44

Feb33°20°

↑ 06:48

↓ 17:23

Mar43°30°

↑ 07:02

↓ 18:58

Apr53°40°

↑ 06:10

↓ 19:32

May65°52°

↑ 05:31

↓ 20:05

Jun76°63°

↑ 05:16

↓ 20:28

Jul80°69°

↑ 05:30

↓ 20:25

Aug79°68°

↑ 06:00

↓ 19:52

Sep73°62°

↑ 06:32

↓ 19:01

Oct61°49°

↑ 07:04

↓ 18:10

Nov48°37°

↑ 06:42

↓ 16:31

Dec37°26°

↑ 07:12

↓ 16:21

Weather data by Open-Meteo

Route maps

What's included in entry

Race Number
Timing Chip

Aid Stations
Event T-shirt

FAQ

What is the course time limit?

The course time limit is 6 hours and 30 minutes (15-minute per mile pace). Participants must maintain this pace to receive full on-course support and be recognized as official finishers.