Illinois Marathon
Champaign, United States of America · Sunday 25 April 2027
The Illinois Marathon is an annual road running event held in the Champaign-Urbana area in Illinois, typically scheduled for the fourth weekend in April. This race takes participants through both urban and residential areas of Champaign and Urbana, with the route often extending into nearby communities such as the village of Savoy. The race finishes at a local stadium that regularly serves as a notable endpoint for the event.
Difficulty Calculator
h
:m
:s
Adjusted Time
3:58:27
Time difference: -1.6 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain139m
Elevation High242m
Elevation Low216m
Weather Forecast
High18°C
Low10°C
Chance of Rain38%
How hard is Illinois Marathon?
Moderateharder than 31% of marathons
Flattest / easiestHardest
On our difficulty model, Illinois Marathon plays about 3 minutes slower than an average road marathon for a 3:30 runner. It ranks #797 hardest of 1151 marathons we analyse, and #402 of 576 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Illinois Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Illinois Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:57:09 | −02:51 |
| 3:30:00 | 3:27:46 | −02:14 |
| 4:00:00 | 3:58:27 | −01:33 |
| 4:30:00 | 4:29:10 | −00:50 |
| 5:00:00 | 4:59:56 | −00:04 |
| 5:30:00 | 5:30:45 | +00:45 |
| 6:00:00 | 6:01:37 | +01:37 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Illinois Marathon 2027 Course Analysis
Illinois Marathon is a full marathon held in Champaign, United States of America. It is scheduled for Sunday 25 April 2027. The course is run on road surface with 139m of total climbing, with its high point near 242m above sea level. For registration and full race details, visit the official Illinois Marathon website.
Elevation Profile
With 139m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for April, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 10°C to 18°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (38%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Illinois Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Illinois Marathon against other marathons to find the right race for your goals.
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If Illinois Marathon fits your goal, these courses play out about the same on our difficulty model.
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