Illinois · Marathon · 5K
Bank of America Chicago Marathon
Bank of America Chicago Marathon is a marathon and 5K event held in Chicago, Illinois. It is usually held in October; the exact date hasn't been confirmed in the listing yet. About 55,000 runners take part across all distances.
- Usually held
- October
- Location
- Chicago, IL
- Field size
- ~55,000 runners
Race details
- Usually held in
- October (date not confirmed)
- Location
- Chicago, Illinois
- Distances
- Marathon, 5K
- Field size
- About 55,000 runners
- Course
- ~130 ft
- Registration
- raceroster.com
- Official website
- chicagomarathon.com
About the Bank of America Chicago Marathon
Chicago's flagship marathon and a World Marathon Major, sending roughly 55,000 runners through 29 neighborhoods on a famously flat, fast course. It has welcomed over one million finishers since 1977.
Rankings and notes
- Rankings and awards
- FindMyMarathon Top 50 BQ Races 2026 — #16 (BQ rate 17.7%, PR score 99.8, Very Flat); World Marathon Major; one of the world's six majors; USATF/AIMS-certified; among the largest marathons globally and a top Boston-qualifier and world-record course
- Notes
- World Marathon Majors event
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Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Bank of America Chicago Marathon: common questions
- When is the Bank of America Chicago Marathon?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Bank of America Chicago Marathon held?
- In Chicago, Illinois.
- What distances does the Bank of America Chicago Marathon offer?
- Marathon and 5K.
- How many people run the Bank of America Chicago Marathon?
- About 55,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Bank of America Chicago Marathon?
- Registration is handled by the organiser at raceroster.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.