Illinois · Marathon · Half
Illinois Marathon
Illinois Marathon is a marathon and half marathon event held in Champaign, Illinois. Its next confirmed date is Saturday, April 24, 2027. About 11,000 runners take part across all distances.
- Race day
- April 24, 2027
- Location
- Champaign, IL
- Field size
- ~11,000 runners
Race details
- Date
- Saturday, April 24, 2027
- Location
- Champaign, Illinois
- Distances
- Marathon, Half
- Field size
- About 11,000 runners
- Course
- Rolling hills
- Registration
- raceroster.com
- Official website
- illinoismarathon.org
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $140 (from illinoismarathon.com, checked October 2, 2026)
- Course profile
- Loop course; Road surface; 456 ft gain, 483 ft loss (official course data); Boston qualifier
- Typical race-day weather
- about 51°F at the start, 94% humidity, 8 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo historical archive (gridded reanalysis), checked October 8, 2026)
About the Illinois Marathon
A flat, fast multi-distance race weekend through the University of Illinois campus and twin cities of Champaign-Urbana, drawing roughly 11,000 participants across all distances. The marathon finishes on the field at Memorial Stadium.
Rankings and notes
- Rankings and awards
- One of the 100 largest running events in the nation; USATF-certified; Boston-qualifier marathon finishing inside Memorial Stadium
- Notes
- Growing marathon event
More marathons in Illinois
Coming up next, by confirmed date.
-
Springfield Marathon & Harvest Wind Half Marathon & 10KNew Berlin, ILMarathonHalf Marathon10K ~1,403 runners
-
Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg, ILMarathonHalf Marathon10K ~6,000 runners
More races in Champaign
More upcoming races in Illinois
Keep exploring
- All races in Illinois
- 5Ks in Illinois 169 upcoming races
- 10Ks in Illinois 63 upcoming races
- Half Marathons in Illinois 31 upcoming races
- Marathons in Illinois 10 upcoming races
- Half Marathons in the United States 1,668 upcoming races
- Marathons in the United States 594 upcoming races
- Spring Marathons
- April Marathons
- April races in Illinois
- Marathons in Wisconsin 16 upcoming races
- Marathons in Missouri 12 upcoming races
- Marathons in Indiana 11 upcoming races
- Marathons in Iowa 9 upcoming races
Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 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.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Illinois Marathon: common questions
- When is the Illinois Marathon?
- The next confirmed date is Saturday, April 24, 2027.
- Where is the Illinois Marathon held?
- In Champaign, Illinois.
- What distances does the Illinois Marathon offer?
- Marathon and Half.
- How many people run the Illinois Marathon?
- About 11,000 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 Illinois Marathon?
- Registration is handled by the organiser at raceroster.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Illinois Marathon?
- Yes — registration is open. Listed fee for the longest distance, $140 (from illinoismarathon.com, checked October 2, 2026).
- What is the course like at the Illinois Marathon?
- Loop course; Road surface; 456 ft gain, 483 ft loss (official course data); Boston qualifier.
- What is race-day weather usually like at the Illinois Marathon?
- about 51°F at the start, 94% humidity, 8 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo historical archive (gridded reanalysis), checked October 8, 2026).
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.