Predict the 2027 Boston Cut-off Time and win a great prize and bragging rights among all your running friends.
Submit Your PredictionChampaign-Urbana, IL
Saturday, April 24, 2027




5 Stars from 47 ReviewsDon't waste months of training only to run the wrong pace.
Illinois Marathon Pace Bands are adjusted for the specific terrain of the course, your goal time and pacing strategies.
Only $9.99
Race Dates
2027: Saturday, April 24, 2027Course Information
Profile: Mostly FlatRace Day Weather
Mean Temp.: 56°F (13°C)PR Score & Course Score
PR Score: 99.12Race Size
2026: 1,099 FinishersBQ Percentages
2026: 13.4%Miscellaneous Information
Pace Groups?: Yes
Race Day Temperatures |
High: 63°F (17°C) |
Race Start Conditions |
49°F (9°C) |
PR Score |
108.62 |
Course Score |
109.08 |
The Illinois Marathon was the 97th largest marathon in the U.S. in 2025 based on the number of finishers. In 2024, it ranked as the 106th largest marathon in the U.S..
In 2026, 13.4% of Illinois Marathon finishers have achieved Boston Marathon qualifying times. In 2025, 10.8% of finishers qualified for the Boston Marathon.
Based on its percentage of Boston Qualifiers (BQs), the Illinois Marathon ranked 122nd among marathons in the U.S. in 2025 and currently ranks 71st so far in 2026. In Illinois, it ranked 4th in 2025 and 3rd so far in 2026. These rankings provide a useful benchmark for comparing the Illinois Marathon with other Boston Marathon qualifying races.
The Illinois Marathon has a Course Score of 99.12, ranking it as the 196th fastest marathon course in the U.S. and the 5th 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 Illinois Marathon a PR Score of 99.12. The PR Score ranks the Illinois Marathon as the 142nd best marathon in the U.S. for running a Personal Record (PR) and the 4th best marathon for a PR in Illinois.
Together, these rankings provide a quick snapshot of how the Illinois Marathon compares with other marathons in the U.S. and Illinois for speed, PR potential, Boston Marathon qualifying success, and overall participation.
Max Elevation: 793 feet (241m)
Min Elevation: 708 feet (215m)
Elevation Gain: 456 feet (139m)
Elevation Loss: 483 feet (147m)
View available accomodations around the Illinois 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 Illinois Marathon stacks up against other marathons?
Compare the details of the Illinois Marathon side-by-side with other marathons with our Comparison Tool.
If you ran the Illinois Marathon in 5:48:00, what would your time in other marathons be?
See how your finish time would compare on other marathon courses with our Time Conversion Tool.




Fantastic Event
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Flat and fast
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FUN, FUN, FUN
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Great support and great course
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Well Organized and Easy to Run
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Run with the wind
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Best Fans Ever!
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Race Directors are great!
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Well run and easy to participate in
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Well organized, fun and exciting
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The best race!!!!
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Christie Clinic Review
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Love Running into Memorial Stadium!!
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Flat Boston qualifier.
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AMAZING
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Go Illinois Marathon!
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Just awesome
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Friendly neighborhoods to run through
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Fun and Flat
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Best race community
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I never miss it.
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Awesome race - awesome people
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Great Course
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Smooth easy course
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Exciting marathon
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Perfectly Executed Run!
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Great Flat Boston Qualifier
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Awesome
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My favorite!!!!
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Great for the newbie or seasoned runner
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Great starter Marathon
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Super fun and flat
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Epic Race, Amazing organization, Lace up and GO!
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Very well organized
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Good course and good support
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From Subject Received Size info@findmymarathon.com Review from Madness Page: Illinois Marathon 4/5
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Fast and flat
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Unforgettable
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Perfect size marathon
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Want flat - this is it!
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Flat and fast race!
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Flat and great local support!
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Fast course, exciting finish!
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