25,630 qualified applicants were accepted and 8,019 BQ applicants were not accepted.
View Contest ResultsChicago, IL
Sunday, October 11, 2026




4.8 Stars from 64 ReviewsDon't waste months of training only to run the wrong pace.
Chicago Marathon Pace Bands are adjusted for the specific terrain of the course, your goal time and pacing strategies.
Only $9.99
Race Dates
2026: Sunday, October 11, 2026Course Information
Profile: Very FlatRace Day Weather
Mean Temp.: 57°F (13°C)PR Score & Course Score
PR Score: 99.76Race Size
2025: 54,382 FinishersBQ Percentages
2025: 16.1%Miscellaneous Information
Pace Groups?: Yes
Race Day Temperatures |
High: 68°F (20°C) Low: 59°F (15°C) |
Race Start Conditions |
60°F (16°C) Partly Cloudy SSE 7 mph |
PR Score
|
97.11 (99.76) |
Course Score |
99.76 |
The Chicago Marathon was the 2nd largest marathon in the U.S. in 2025 based on the number of finishers. In 2024, it ranked as the 2nd largest marathon in the U.S..
In 2025, 16.1% of Chicago Marathon finishers achieved Boston Marathon qualifying times. In 2024, 14% of finishers qualified for Boston.
Based on its percentage of Boston Qualifiers (BQs), the Chicago Marathon ranked 58th among marathons in the U.S. in 2025 and 98th in 2024. In Illinois, it ranked 3rd in 2025 and 3rd in 2024. These rankings provide a useful benchmark for runners comparing Boston Marathon qualifying potential across different races.
The Chicago Marathon has a Course Score of 99.76, ranking it as the 54th fastest marathon course in the U.S. and the 1st fastest marathon course in Illinois.
Typical race-time temperature and humidity levels are within the ideal range for optimal marathon performance. Combined with the course profile, this gives the Chicago Marathon a PR Score of 99.76. The PR Score ranks the Chicago Marathon as the 43rd best marathon in the U.S. for running a Personal Record (PR) and the 1st best marathon for a PR in Illinois.
Together, these rankings provide a quick snapshot of how the Chicago Marathon compares with other marathons in the U.S. and Illinois for speed, PR potential, Boston Marathon qualifying success, and overall participation.
Max Elevation: 603 feet (183m)
Min Elevation: 577 feet (175m)
Elevation Gain: 243 feet (74m)
Elevation Loss: 238 feet (72m)
View available accomodations around the Chicago Marathon Finish Line and Course. Book your Reservation now before the best places are sold out.
For a better mobile or desktop experience:
Use tools below to compare races and convert times across courses.
Do you want to see how the Chicago Marathon stacks up against other marathons?
Compare the details of the Chicago Marathon side-by-side with other marathons with our Comparison Tool.
If you ran the Chicago Marathon in 3:44:00, what would your time in other marathons be?
See how your finish time would compare on other marathon courses with our Time Conversion Tool.




Well organized and so much support
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Awesome
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Fun Major Marathon
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Fun,Fast Course!
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Crowded
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One of the Best!
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Finest in NA
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Awesome Well managed race
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Unique atmosphere
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Great first marathon
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